LST custom gas spring
Our standard line of gas springs feature a double seal system, epoxy painted tubes and feature and chrome plated or nitrate treated shafts. Each spring is set up and tested to meet the requirements of your order.
All our gas springs feature a double seal system.
Force limits apply to long stroke springs — max force not available in all springs.

Our 6×15 series gas springs are great for applications with limited space requiring low output forces. Most common force settings are from 10 to 60 lbs.
·Fixed Force – We set force to your specification at time of order.
·Thread Size: M6x1.0
·Rod Diameter: Cylinder Diameter: 0.236 in (6 mm)
·Cylinder Diameter:.590 in (15 mm)
·Optional end fittings available upon request
6/15 Series | Extended Length [A] | Stroke [S] | Compressed Length [C] | Shoulder Length [B] | ||||
STOCK No. | mm | Inches | mm | Inches | mm | Inches | mm | Inches |
GSK15-165 | 165 | 6.5 | 48 | 1.9 | 117 | 4.6 | 129 | 5.1 |
GSK15-170 | 170 | 6.7 | 50 | 2 | 120 | 4.7 | 134 | 5.3 |
GSK15-190 | 190 | 7.5 | 58 | 2.3 | 132 | 5.2 | 154 | 6.1 |
GSK15-196 | 196 | 7.7 | 60 | 2.4 | 136 | 5.4 | 160 | 6.3 |
GSK15-215 | 215 | 8.5 | 72 | 2.8 | 143 | 5.6 | 179 | 7 |
GSK15-225 | 225 | 8.9 | 76 | 3 | 149 | 5.9 | 113 | 4.5 |
GSK15-235 | 235 | 9.3 | 82 | 3.2 | 153 | 6 | 199 | 7.8 |
GSK15-245 | 245 | 9.6 | 90 | 3.5 | 155 | 6.1 | 209 | 8.2 |
GSK15-246 | 246 | 9.7 | 90 | 3.5 | 156 | 6.1 | 210 | 8.3 |
GSK15-255 | 255 | 10 | 91 | 3.6 | 164 | 6.5 | 219 | 8.6 |
GSK15-275 | 275 | 10.8 | 104 | 4.1 | 171 | 6.7 | 239 | 9.4 |
GSK15-286 | 286 | 11.3 | 85 | 3.3 | 201 | 7.9 | 250 | 9.8 |
GSK15-295 | 295 | 11.6 | 115 | 4.5 | 180 | 7.1 | 259 | 10.2 |
GSK15-305 | 305 | 12 | 112 | 4.4 | 193 | 7.6 | 269 | 10.6 |
GSK15-315 | 315 | 12.4 | 121 | 4.8 | 194 | 7.6 | 279 | 11 |
GSK15-330 | 330 | 13 | 130 | 5.1 | 200 | 7.9 | 294 | 11.6 |
GSK15-355 | 355 | 14 | 135 | 5.3 | 220 | 8.7 | 319 | 12.6 |
GSK15-366 | 366 | 14.4 | 147 | 5.8 | 219 | 8.6 | 330 | 13 |
GSK15-375 | 375 | 14.8 | 150 | 5.9 | 225 | 8.9 | 339 | 13.3 |
GSK15-380 | 380 | 15 | 150 | 5.9 | 230 | 9.1 | 344 | 13.5 |
GSK15-395 | 395 | 15.6 | 155 | 6.1 | 240 | 9.4 | 359 | 14.1 |
GSK15-410 | 410 | 16.1 | 170 | 6.7 | 240 | 9.4 | 374 | 14.7 |
GSK15-430 | 430 | 16.9 | 175 | 6.9 | 255 | 10 | 394 | 15.5 |
GSK15-435 | 435 | 17.1 | 177 | 7 | 258 | 10.2 | 399 | 15.7 |
GSK15-455 | 455 | 17.9 | 192 | 7.6 | 263 | 10.4 | 419 | 16.5 |
GSK15-475 | 475 | 18.7 | 190 | 7.5 | 285 | 11.2 | 439 | 17.3 |
GSK15-490 | 490 | 19.3 | 200 | 7.9 | 290 | 11.4 | 454 | 17.9 |
GSK15-501 | 501 | 19.7 | 215 | 8.5 | 286 | 11.3 | 465 | 18.3 |
GSK15-508 | 508 | 20 | 203 | 8 | 305 | 12 | 472 | 18.6 |
GSK15-515 | 515 | 20.3 | 230 | 9.1 | 285 | 11.2 | 479 | 18.9 |
GSK15-530 | 530 | 20.9 | 220 | 8.7 | 310 | 12.2 | 494 | 19.4 |
GSK15-575 | 575 | 22.6 | 250 | 9.8 | 325 | 12.8 | 539 | 21 |
FORCE RANGE | 50 – 400N (10 – 90 LB)
Extended length is the centre-centre length measured with standard 18mm end fittings. A variety of end fittings are available. Certain end fittings will alter the overall length. We can manufacture any size gas spring in 6×15 up to a maximum stroke of 250mm.

8/18 SERIES | Extended Length [A] | Stroke [S] | Compressed Length [C] | Shoulder Length [B] | ||||
STOCK No. | mm | Inches | mm | Inches | mm | Inches | mm | inches |
GSK18-175 | 175 | 6.9 | 50 | 2 | 125 | 4.9 | 139 | 5.5 |
GSK18-178 | 178 | 7 | 50 | 2 | 128 | 5 | 142 | 5.6 |
GSK18-182 | 182 | 7.2 | 50 | 2 | 132 | 5.2 | 146 | 5.7 |
GSK18-190 | 190 | 7.5 | 58 | 2.3 | 132 | 5.2 | 154 | 6.1 |
GSK18-205 | 205 | 8.1 | 60 | 2.4 | 145 | 5.7 | 169 | 6.7 |
GSK18-210 | 210 | 8.3 | 70 | 2.8 | 140 | 5.5 | 174 | 6.9 |
GSK18-215 | 215 | 8.5 | 75 | 3 | 140 | 5.5 | 179 | 7 |
GSK18-230 | 230 | 9.1 | 72 | 2.8 | 158 | 6.2 | 194 | 7.6 |
GSK18-240 | 240 | 9.4 | 80 | 3.1 | 160 | 6.3 | 204 | 8 |
GSK18-245 | 245 | 9.6 | 80 | 3.1 | 165 | 6.5 | 209 | 8.2 |
GSK18-250 | 250 | 9.8 | 85 | 3.3 | 165 | 6.5 | 214 | 8.4 |
GSK18-255 | 255 | 10 | 90 | 3.5 | 165 | 6.5 | 219 | 8.6 |
GSK18-260 | 260 | 10.2 | 94 | 3.7 | 166 | 6.5 | 224 | 8.8 |
GSK18-265 | 265 | 10.4 | 94 | 3.7 | 171 | 6.7 | 229 | 9 |
GSK18-275 | 275 | 10.8 | 100 | 3.9 | 175 | 6.9 | 239 | 9.4 |
GSK18-280 | 280 | 11 | 104 | 4.1 | 176 | 6.9 | 244 | 9.6 |
GSK18-285 | 285 | 11.2 | 105 | 4.1 | 180 | 7.1 | 249 | 9.8 |
GSK18-290 | 290 | 11.4 | 108 | 4.3 | 182 | 7.2 | 254 | 10 |
GSK18-295 | 295 | 11.6 | 108 | 4.3 | 187 | 7.4 | 259 | 10.2 |
GSK18-299 | 299 | 11.7 | 104 | 4.1 | 195 | 7.7 | 263 | 10.35 |
GSK18-303 | 303 | 11.92 | 115 | 4.5 | 188 | 7.4 | 267 | 10.5 |
GSK18-310 | 310 | 12.2 | 118 | 4.6 | 192 | 7.6 | 274 | 10.8 |
GSK18-315 | 315 | 12.4 | 122 | 4.8 | 193 | 7.6 | 279 | 11 |
GSK18-319 | 319 | 12.6 | 125 | 4.9 | 194 | 7.6 | 283 | 11.1 |
GSK18-325 | 325 | 12.8 | 125 | 4.9 | 200 | 7.9 | 289 | 11.4 |
GSK18-330 | 330 | 13 | 130 | 5.1 | 200 | 7.9 | 294 | 11.6 |
GSK18-340 | 340 | 13.4 | 134 | 5.3 | 206 | 8.1 | 304 | 12 |
GSK18-345 | 345 | 13.6 | 129 | 5.1 | 216 | 8.5 | 309 | 12.2 |
GSK18-348 | 348 | 13.7 | 136 | 5.4 | 212 | 8.3 | 312 | 12.3 |
GSK18-355 | 355 | 14 | 135 | 5.3 | 220 | 8.7 | 319 | 12.6 |
GSK18-360 | 360 | 14.2 | 145 | 5.7 | 215 | 8.5 | 324 | 12.8 |
GSK18-375 | 375 | 14.8 | 150 | 5.9 | 225 | 8.9 | 339 | 13.3 |
GSK18-382 | 382 | 15 | 154 | 6.1 | 228 | 9 | 346 | 13.6 |
GSK18-387 | 387 | 15.2 | 154 | 6.1 | 233 | 9.2 | 351 | 13.8 |
GSK18-390 | 390 | 15.4 | 160 | 6.3 | 230 | 9.1 | 354 | 13.9 |
GSK18-395 | 395 | 15.6 | 160 | 6.3 | 235 | 9.3 | 359 | 14.1 |
GSK18-400 | 400 | 15.7 | 165 | 6.5 | 235 | 9.3 | 364 | 14.3 |
GSK18-405 | 405 | 15.9 | 167 | 6.6 | 238 | 9.4 | 369 | 14.5 |
GSK18-410 | 410 | 16.1 | 170 | 6.7 | 240 | 9.4 | 374 | 14.7 |
GSK18-430 | 430 | 16.9 | 175 | 6.9 | 255 | 10 | 394 | 15.5 |
GSK18-437 | 437 | 17.2 | 180 | 7.1 | 257 | 10.1 | 401 | 15.8 |
GSK18-450 | 450 | 17.7 | 182 | 7.2 | 268 | 10.6 | 414 | 16.3 |
GSK18-458 | 458 | 18 | 190 | 7.5 | 268 | 10.6 | 422 | 16.6 |
GSK18-470 | 470 | 18.5 | 192 | 7.6 | 278 | 10.9 | 434 | 17.1 |
GSK18-485 | 485 | 19.1 | 205 | 8.1 | 280 | 11 | 449 | 17.7 |
GSK18-490 | 490 | 19.3 | 200 | 7.9 | 290 | 11.4 | 454 | 17.9 |
GSK18-500 | 500 | 19.7 | 210 | 8.3 | 290 | 11.4 | 464 | 18.3 |
GSK18-500 M8 | 500 | 19.7 | 200 | 7.9 | 300 | 11.8 | 464 | 18.3 |
GSK18-505 | 505 | 19.9 | 205 | 8.1 | 300 | 11.8 | 469 | 18.5 |
GSK18-510 | 510 | 20.1 | 210 | 8.3 | 300 | 11.8 | 474 | 18.7 |
GSK18-520 | 520 | 20.5 | 215 | 8.5 | 305 | 12 | 484 | 19.1 |
GSK18-525 | 525 | 20.7 | 220 | 8.7 | 305 | 12 | 489 | 19.3 |
GSK18-530 | 530 | 20.9 | 220 | 8.7 | 310 | 12.2 | 494 | 19.4 |
GSK18-550 | 550 | 21.7 | 240 | 9.4 | 310 | 12.2 | 514 | 20.2 |
GSK18-560 | 560 | 22 | 220 | 8.7 | 340 | 13.4 | 524 | 20.6 |
GSK18-575 | 575 | 22.6 | 250 | 9.8 | 325 | 12.8 | 539 | 21.2 |
GSK18-585 | 585 | 23 | 250 | 9.8 | 335 | 13.2 | 549 | 21.6 |
GSK18-600 | 600 | 23.6 | 260 | 10.2 | 340 | 13.4 | 564 | 22.2 |
GSK18-610 | 610 | 24 | 270 | 10.6 | 340 | 13.4 | 574 | 22.6 |
GSK18-620 | 620 | 24.4 | 270 | 10.6 | 350 | 13.8 | 584 | 23 |
GSK18-630 | 630 | 24.8 | 280 | 11 | 350 | 13.8 | 594 | 23.4 |
GSK18-640 | 640 | 25.2 | 280 | 11 | 360 | 14.2 | 604 | 23.8 |
GSK18-657 | 657 | 25.9 | 290 | 11.4 | 367 | 14.4 | 621 | 24.4 |
GSK18-668 | 668 | 26.3 | 298 | 11.7 | 370 | 14.6 | 632 | 24.9 |
GSK18-680 | 680 | 26.8 | 302 | 11.9 | 378 | 14.9 | 644 | 25.4 |
GSK18-690 | 690 | 27.2 | 310 | 12.2 | 380 | 15 | 654 | 25.7 |
GSK18-710 | 710 | 28 | 305 | 12 | 405 | 15.9 | 674 | 26.5 |
GSK18-725 | 725 | 28.5 | 315 | 12.4 | 410 | 16.1 | 689 | 27.1 |
GSK18-735 | 735 | 28.9 | 325 | 12.8 | 410 | 16.1 | 699 | 27.5 |
GSK18-750 | 750 | 29.5 | 335 | 13.2 | 415 | 16.3 | 714 | 28.1 |
GSK18-777 | 777 | 30.6 | 340 | 13.4 | 437 | 17.2 | 741 | 29.2 |
GSK18-785 | 785 | 30.9 | 350 | 13.8 | 435 | 17.1 | 749 | 29.5 |
GSK18-805 | 805 | 31.7 | 340 | 13.4 | 465 | 18.3 | 769 | 30.3 |
FORCE RANGE | 50 – 750N (10 – 170 LB)
Extended length is the centre-centre length measured with standard 18mm end fittings. Using other end fittings may alter the overall length. We can manufacture any size gas spring in 8×18 up to a maximum stroke of 385mm.

10/22 SERIES | Extended Length [A] | Stroke [S] | Compressed Length [C] | Extended Shoulder Length – No End Fittings [B] | ||||
STOCK No. | mm | Inches | mm | Inches | mm | Inches | mm | inches |
GSK22-1030 | 1030 | 40.6 | 475 | 18.7 | 555 | 21.9 | 990 | 39 |
GSK22-1040 | 1040 | 40.9 | 485 | 19.1 | 555 | 21.9 | 1000 | 39.4 |
GSK22-1100 | 1100 | 43.3 | 500 | 19.7 | 600 | 23.6 | 1060 | 41.7 |
GSK22-1237 | 1237 | 48.7 | 500 | 19.7 | 737 | 29 | 1197 | 47.1 |
GSK22-182 | 182 | 7.2 | 52 | 2 | 130 | 5.1 | 142 | 5.6 |
GSK22-190 | 190 | 7.5 | 58 | 2.3 | 132 | 5.2 | 150 | 5.9 |
GSK22-240 | 240 | 9.4 | 85 | 3.3 | 155 | 6.3 | 200 | 7.9 |
GSK22-275 | 275 | 10.8 | 100 | 3.9 | 175 | 6.9 | 235 | 9.3 |
GSK22-305 | 305 | 12 | 115 | 4.5 | 190 | 7.5 | 265 | 10.4 |
GSK22-312 | 312 | 12.3 | 100 | 3.9 | 212 | 8.3 | 272 | 10.7 |
GSK22-315 | 315 | 12.4 | 120 | 4.7 | 195 | 7.7 | 275 | 10.8 |
GSK22-336 | 336 | 13.2 | 130 | 5.1 | 206 | 8.1 | 296 | 11.7 |
GSK22-344 | 344 | 13.5 | 118 | 4.6 | 226 | 8.9 | 304 | 12 |
GSK22-350 | 350 | 13.8 | 137 | 5.4 | 213 | 8.4 | 310 | 12.2 |
GSK22-375 | 375 | 14.8 | 150 | 5.9 | 225 | 8.9 | 335 | 13.2 |
GSK22-690 | 690 | 27.2 | 300 | 11.8 | 390 | 15.4 | 650 | 25.6 |
GSK22-685 | 685 | 27 | 305 | 12 | 380 | 15 | 645 | 25.4 |
GSK22-668 | 668 | 26.3 | 298 | 11.7 | 370 | 14.6 | 628 | 24.7 |
GSK22-665 | 665 | 26.2 | 205 | 8.1 | 460 | 18.1 | 625 | 24.6 |
GSK22-650 | 650 | 25.6 | 285 | 11.2 | 365 | 14.4 | 610 | 24 |
GSK22-640 | 640 | 25.2 | 283 | 11.1 | 357 | 14.1 | 600 | 23.6 |
GSK22-630 | 630 | 24.8 | 275 | 10.8 | 355 | 14 | 590 | 23.2 |
GSK22-610 | 610 | 24 | 270 | 10.6 | 340 | 13.4 | 570 | 22.4 |
GSK22-595 | 595 | 23.4 | 260 | 10.2 | 335 | 13.2 | 555 | 21.9 |
GSK22-585 | 585 | 23 | 255 | 10 | 330 | 13 | 545 | 21.5 |
GSK22-580 | 580 | 22.8 | 180 | 7.1 | 400 | 15.7 | 540 | 21.3 |
GSK22-575 (180) | 575 | 22.6 | 180 | 7.1 | 395 | 15.6 | 535 | 21.1 |
GSK22-575 | 575 | 22.6 | 250 | 9.8 | 325 | 12.8 | 535 | 21.1 |
GSK22-560 (190) | 560 | 22 | 190 | 7.5 | 370 | 14.6 | 520 | 20.5 |
GSK22-560 | 560 | 22 | 245 | 9.6 | 315 | 12.4 | 520 | 20.5 |
GSK22-550 | 550 | 21.7 | 235 | 9.3 | 315 | 12.4 | 510 | 20.1 |
GSK22-540 | 540 | 21.3 | 230 | 9.1 | 310 | 12.2 | 500 | 19.7 |
GSK22-530 | 530 | 20.9 | 230 | 9.1 | 300 | 11.8 | 490 | 19.3 |
GSK22-525 | 525 | 20.7 | 225 | 8.9 | 300 | 11.8 | 485 | 19.1 |
GSK22-510 | 510 | 20.1 | 220 | 8.7 | 290 | 11.4 | 470 | 18.5 |
GSK22-505 | 505 | 19.9 | 210 | 8.3 | 295 | 11.6 | 465 | 18.3 |
GSK22-502 | 502 | 19.8 | 200 | 7.9 | 302 | 11.9 | 462 | 18.2 |
GSK22-490 | 490 | 19.3 | 207 | 8.1 | 283 | 11.1 | 450 | 17.7 |
GSK22-485 | 485 | 19.1 | 200 | 7.9 | 285 | 11.2 | 445 | 17.5 |
GSK22-470 | 470 | 18.5 | 197 | 7.8 | 273 | 10.7 | 430 | 16.9 |
GSK22-460 | 460 | 18.1 | 190 | 7.5 | 270 | 10.6 | 420 | 16.5 |
GSK22-450 | 450 | 17.7 | 187 | 7.4 | 263 | 10.4 | 410 | 16.1 |
GSK22-437 | 437 | 17.2 | 155 | 6.1 | 282 | 11.1 | 397 | 15.6 |
GSK22-430 | 430 | 16.9 | 177 | 7 | 253 | 10 | 390 | 15.4 |
GSK22-424 M6 | 424 | 16.7 | 164 | 6.5 | 260 | 10.2 | 384 | 15.1 |
GSK22-422 | 422 | 16.6 | 160 | 6.3 | 262 | 10.3 | 382 | 15 |
GSK22-405 | 405 | 15.9 | 165 | 6.5 | 240 | 9.4 | 365 | 14.4 |
GSK22-395 | 395 | 15.6 | 159 | 6.3 | 236 | 9.3 | 355 | 14 |
GSK22-390 | 390 | 15.4 | 155 | 6.1 | 235 | 9.3 | 350 | 13.8 |
GSK22-375 | 375 | 14.8 | 150 | 5.9 | 225 | 8.9 | 335 | 13.2 |
GSK22-350 | 350 | 13.8 | 137 | 5.4 | 213 | 8.4 | 310 | 12.2 |
GSK22-344 | 344 | 13.5 | 118 | 4.6 | 226 | 8.9 | 304 | 12 |
GSK22-336 | 336 | 13.2 | 130 | 5.1 | 206 | 8.1 | 296 | 11.7 |
GSK22-315 | 315 | 12.4 | 120 | 4.7 | 195 | 7.7 | 275 | 10.8 |
GSK22-312 | 312 | 12.3 | 100 | 3.9 | 212 | 8.3 | 272 | 10.7 |
GSK22-305 | 305 | 12 | 115 | 4.5 | 190 | 7.5 | 265 | 10.4 |
GSK22-275 | 275 | 10.8 | 100 | 3.9 | 175 | 6.9 | 235 | 9.3 |
GSK22-240 | 240 | 9.4 | 85 | 3.3 | 155 | 6.3 | 200 | 7.9 |
GSK22-190 | 190 | 7.5 | 58 | 2.3 | 132 | 5.2 | 150 | 5.9 |
GSK22-182 | 182 | 7.2 | 52 | 2 | 130 | 5.1 | 142 | 5.6 |
GSK22-1237 | 1237 | 48.7 | 500 | 19.7 | 737 | 29 | 1197 | 47.1 |
GSK22-1100 | 1100 | 43.3 | 500 | 19.7 | 600 | 23.6 | 1060 | 41.7 |
GSK22-1040 | 1040 | 40.9 | 485 | 19.1 | 555 | 21.9 | 1000 | 39.4 |
GSK22-1030 | 1030 | 40.6 | 475 | 18.7 | 555 | 21.9 | 990 | 39 |
FORCE RANGE | 90 – 1200N (20 – 270 LB)
Extended length is the centre-centre length measured with standard 20mm end fittings. Using other end fittings may alter the overall length. We can manufacture any size gas spring in 10×22 up to a maximum stroke of 500mm. Please specify force setting requirement when ordering.

12.5/27 SERIES | Extended Length [A] | Stroke [S] | Compressed Length [C] | No Ends – Ext Length [B] | ||||
STOCK No. | mm | Inches | mm | Inches | mm | Inches | mm | inches |
GSK27-1030 | 1030 | 40.6 | 475 | 18.7 | 555 | 21.9 | 990 | 39 |
GSK27-1104 | 1100 | 43.3 | 500 | 19.7 | 600 | 23.6 | 1060 | 41.7 |
GSK27-1104 | 1104 | 43.5 | 500 | 19.7 | 604 | 23.8 | 1064 | 41.9 |
GSK27-1237 | 1237 | 48.7 | 500 | 19.7 | 737 | 29 | 1197 | 47.1 |
GSK27-1300 | 1300 | 51.2 | 610 | 24 | 690 | 27.2 | 1260 | 49.6 |
GSK27-182 | 182 | 7.2 | 52 | 2 | 130 | 5.1 | 142 | 5.6 |
GSK27-305 | 305 | 12 | 115 | 4.5 | 190 | 7.5 | 265 | 10.4 |
GSK27-330 | 330 | 13 | 80 | 3.1 | 250 | 9.8 | 290 | 11.4 |
GSK27-390 | 390 | 15.4 | 155 | 6.1 | 235 | 9.3 | 350 | 13.8 |
GSK27-400 | 400 | 15.7 | 162 | 6.4 | 238 | 9.4 | 360 | 14.2 |
GSK27-430 | 430 | 16.9 | 177 | 7 | 253 | 10 | 390 | 15.4 |
GSK27-490 | 490 | 19.3 | 206 | 8.1 | 284 | 11.2 | 450 | 17.7 |
GSK27-500 | 500 | 19.7 | 200 | 7.9 | 300 | 11.8 | 460 | 18.1 |
GSK27-505 | 505 | 19.9 | 210 | 8.3 | 295 | 11.6 | 465 | 18.3 |
GSK27-525 | 525 | 20.7 | 220 | 8.7 | 305 | 12 | 485 | 19.1 |
GSK27-550 | 550 | 21.7 | 235 | 9.3 | 315 | 12.4 | 510 | 20.1 |
GSK27-585 | 585 | 23 | 255 | 10 | 330 | 13 | 545 | 21.5 |
GSK27-610 | 610 | 24 | 265 | 10.4 | 345 | 13.6 | 570 | 22.4 |
GSK27-650 | 650 | 25.6 | 285 | 11.2 | 365 | 14.4 | 610 | 24 |
GSK27-668 | 668 | 26.3 | 292 | 11.5 | 376 | 14.8 | 628 | 24.7 |
GSK27-688 | 688 | 27.1 | 306 | 12 | 382 | 15 | 648 | 25.5 |
GSK27-700 | 700 | 27.6 | 310 | 12.2 | 390 | 15.4 | 660 | 26 |
GSK27-730 | 730 | 28.7 | 320 | 12.6 | 410 | 16.1 | 690 | 27.2 |
GSK27-830 | 830 | 32.7 | 375 | 14.8 | 455 | 17.9 | 790 | 31.1 |
GSK27-900 | 900 | 35.4 | 410 | 16.1 | 490 | 19.3 | 860 | 33.9 |
GSK27-940 | 940 | 37 | 430 | 16.9 | 510 | 20.1 | 900 | 35.4 |
GSK27/10-620 | 620 | 24.4 | 270 | 10.6 | 350 | 13.8 | 580 | 22.8 |
GSK27/10-650 | 650 | 25.6 | 260 | 14.2 | 390 | 15.35 | 610 | 24 |
GSK27/10-730 | 730 | 28.7 | 200 | 7.9 | 530 | 20.9 | 690 | 27.2 |
FORCE RANGE | 100 – 1700N (20 – 380 LB)
Extended length is the centre-centre length measured with standard 20mm end fittings. Using other end fittings may alter the overall length. We can manufacture any size gas spring in 12.5×27 up to a maximum stroke of 500mm. Please specify force requirement when ordering.

14/28 SERIES | Extended Length [A] | Stroke [S] | Compressed Length [C] | No Ends – Ext Length [B] | ||||
STOCK No. | mm | Inches | mm | Inches | mm | Inches | mm | inches |
GSK28-1030 | 1030 | 40.6 | 475 | 18.7 | 555 | 21.9 | 990 | 39 |
GSK28-1100 | 1100 | 43.3 | 500 | 19.7 | 600 | 23.6 | 1060 | 41.7 |
GSK28-1125 | 1125 | 44.3 | 510 | 20.1 | 615 | 24.2 | 1085 | 42.7 |
GSK28-1150 | 1150 | 45.3 | 532 | 618 | 24.3 | 1110 | 43.7 | |
GSK28-1215 | 1215 | 47.8 | 535 | 21 | 680 | 26.8 | 1175 | 46.2 |
GSK28-1300 | 1300 | 51.2 | 610 | 24 | 690 | 27.2 | 1260 | 49.6 |
GSK28-305 | 305 | 12 | 110 | 4.3 | 195 | 7.7 | 265 | 10.4 |
GSK28-349 | 349 | 13.7 | 125 | 4.9 | 224 | 8.8 | 309 | 12.2 |
GSK28-390 | 390 | 15.4 | 155 | 6.1 | 235 | 9.25 | 350 | 13.8 |
GSK28-405 | 405 | 15.9 | 150 | 5.9 | 255 | 10 | 365 | 14.4 |
GSK28-430 | 430 | 16.9 | 177 | 7 | 253 | 10 | 390 | 15.4 |
GSK28-443 | 443 | 17.4 | 167 | 6.6 | 276 | 10.9 | 403 | 15.9 |
GSK28-500 | 500 | 19.7 | 200 | 7.9 | 300 | 11.8 | 460 | 18.1 |
GSK28-514 | 514 | 20.2 | 194 | 7.6 | 320 | 12.6 | 474 | 18.7 |
GSK28-520 | 520 | 20.5 | 210 | 8.3 | 310 | 12.2 | 480 | 18.9 |
GSK28-533 | 533 | 21 | 220 | 8.7 | 313 | 12.3 | 493 | 19.4 |
GSK28-590 | 590 | 23.2 | 250 | 9.8 | 340 | 13.4 | 550 | 21.7 |
GSK28-700 | 700 | 27.6 | 310 | 12.2 | 390 | 15.4 | 660 | 26 |
GSK28-705 | 705 | 27.75 | 305 | 12 | 400 | 15.75 | 665 | 26.2 |
GSK28-730 | 730 | 28.7 | 320 | 12.6 | 410 | 16.1 | 690 | 27.2 |
GSK28-750 | 750 | 29.5 | 335 | 13.2 | 415 | 16.3 | 710 | 28 |
GSK28-785 | 785 | 30.9 | 350 | 13.8 | 435 | 17.1 | 745 | 29.3 |
GSK28-830 | 830 | 32.7 | 375 | 14.8 | 455 | 17.9 | 790 | 31.1 |
GSK28-900 | 900 | 35.4 | 410 | 16.1 | 490 | 19.3 | 860 | 33.9 |
GSK28-920 | 920 | 36.2 | 400 | 15.7 | 520 | 20.5 | 880 | 34.6 |
GSK28-965 | 965 | 38 | 445 | 17.5 | 520 | 20.5 | 925 | 36.4 |
GSK28-975 | 975 | 38.4 | 445 | 17.5 | 530 | 20.9 | 935 | 36.8 |
FORCE RANGE | 100 – 2500N (20 – 500 LB)
Extended length is the center – center alter the overall length. We can manufacture any size gas spring in 14×28 up to a maximum stroke of 739mm. Please specify force requirement when ordering.
We stock some of the finest quality 316 stainless gas springs available.
Stainless steel gas springs are a good options for use in harsh environments, marine, and food processing environments.
We can manufacture stainless springs with food grade internal lubricant.
Force limits apply to long stroke springs — max force is not available in all springs
6/15 Series | Extended Length [A] | Stroke [S] | Compressed Length [C] | Shoulder Length [A-36mm] | ||||
STOCK No. | mm | Inches | mm | Inches | mm | Inches | mm | Inches |
GSSK15170 | 170 | 6.7 | 50 | 2 | 120 | 4.7 | 134 | 5.3 |
GSSK15178 | 178 | 7 | 48 | 1.9 | 130 | 5.1 | 142 | 5.6 |
GSSK15190 | 190 | 7.5 | 60 | 2.4 | 130 | 5.1 | 154 | 6.1 |
GSSK15195 | 195 | 7.7 | 60 | 2.4 | 135 | 5.3 | 159 | 6.3 |
GSSK15234 | 234 | 9.2 | 82 | 3.2 | 152 | 6 | 198 | 7.8 |
GSSK15255 | 255 | 10 | 90 | 3.5 | 165 | 6.5 | 219 | 8.6 |
GSSK15260 | 260 | 10.2 | 94 | 3.7 | 166 | 6.53 | 224 | 8.8 |
GSSK15275 | 275 | 10.8 | 100 | 3.9 | 175 | 6.9 | 239 | 9.4 |
GSSK15295 | 295 | 11.6 | 115 | 4.5 | 180 | 7.1 | 259 | 10.2 |
GSSK15305 | 305 | 12 | 110 | 4.3 | 195 | 7.7 | 269 | 10.6 |
GSSK15315 | 315 | 12.4 | 122 | 4.8 | 193 | 7.6 | 279 | 11 |
GSSK15375 | 375 | 14.8 | 150 | 5.9 | 225 | 8.9 | 339 | 13.3 |
GSSK15381 | 381 | 15 | 152 | 6 | 229 | 9 | 345 | 13.6 |
GSSK15390 | 390 | 15.4 | 160 | 6.3 | 230 | 9.1 | 354 | 13.9 |
GSSK15435 | 435 | 17.1 | 180 | 7.1 | 255 | 10 | 399 | 15.7 |
GSSK15455 | 455 | 17.9 | 192 | 7.6 | 263 | 10.4 | 419 | 16.5 |
GSSK15465 | 465 | 18.3 | 200 | 7.9 | 265 | 10.4 | 429 | 16.9 |
GSSK15510 | 510 | 20.1 | 220 | 8.7 | 290 | 11.4 | 474 | 18.7 |
FORCE RANGE | 50 – 400N (10 – 90 LB)
Extended length is the centre-centre length measured with standard 18mm end fittings. Using other end fittings may alter the overall length. We can manufacture any size gas spring in 6×15 up to a maximum stroke of 220mm.

8/18 SERIES | Extended Length [A] | Stroke [S] | Compressed Length [C] | Shoulder Length [B] | ||||
STOCK No. | mm | Inches | mm | Inches | mm | Inches | mm | inches |
GSSK18175 | 175 | 6.9 | 50 | 1.96 | 125 | 4.9 | 89 | 3.5 |
GSSK18190 | 190 | 7.5 | 58 | 2.3 | 132 | 5.2 | 154 | 6.1 |
GSSK18245 | 245 | 9.6 | 80 | 3.1 | 165 | 6.5 | 209 | 8.2 |
GSSK18255 | 255 | 10 | 90 | 3.5 | 165 | 6.5 | 219 | 8.6 |
GSSK18285 | 285 | 11.2 | 105 | 4.1 | 180 | 7.1 | 249 | 9.8 |
GSSK18305 | 305 | 12 | 110 | 4.3 | 195 | 7.7 | 269 | 10.6 |
GSSK18310 | 310 | 12.2 | 119 | 4.7 | 191 | 7.5 | 274 | 10.8 |
GSSK18315 | 315 | 12.4 | 122 | 4.8 | 193 | 7.6 | 279 | 11 |
GSSK18360 | 360 | 14.2 | 145 | 5.7 | 215 | 8.5 | 179 | 7 |
GSSK18375 | 375 | 14.8 | 150 | 5.9 | 225 | 8.9 | 339 | 13.3 |
GSSK18379 | 379 | 14.9 | 154 | 6.1 | 225 | 8.9 | 343 | 13.5 |
GSSK18384 | 384 | 15.1 | 155 | 6.1 | 229 | 9 | 348 | 13.7 |
GSSK18390 | 390 | 15.4 | 160 | 6.3 | 230 | 9.1 | 354 | 13.9 |
GSSK18410 | 410 | 16.1 | 170 | 6.7 | 240 | 9.4 | 374 | 14.7 |
GSSK18430 | 430 | 16.9 | 179 | 7 | 251 | 9.9 | 394 | 15.5 |
GSSK18437 | 437 | 17.2 | 178 | 7 | 259 | 10.2 | 401 | 15.8 |
GSSK18455 | 455 | 17.9 | 192 | 7.6 | 263 | 10.4 | 419 | 16.5 |
GSSK18510 | 510 | 20.1 | 210 | 8.3 | 300 | 11.8 | 474 | 18.7 |
GSSK18525 | 525 | 20.7 | 220 | 8.7 | 305 | 12 | 489 | 19.3 |
GSSK18560 | 560 | 22 | 245 | 9.6 | 315 | 12.4 | 524 | 20.6 |
GSSK18585 | 585 | 23 | 256 | 10.1 | 329 | 13 | 549 | 21.6 |
GSSK18610 | 610 | 24 | 260 | 10.2 | 350 | 13.8 | 574 | 22.6 |
GSSK18640 | 640 | 25.2 | 275 | 10.8 | 365 | 14.4 | 604 | 23.8 |
GSSK18710 | 710 | 28 | 305 | 12 | 405 | 15.9 | 674 | 26.5 |
GSSK18735 | 735 | 28.9 | 325 | 12.8 | 410 | 16.1 | 699 | 27.5 |
FORCE RANGE | 50 – 750N (10 – 170 LB)
Extended length is the centre-centre length measured with standard 18mm end fittings. Using other end fittings may alter the overall length. We can manufacture any size gas spring in 8×18 up to a maximum stroke of 325mm.

10/22 SERIES | Extended Length [A] | Stroke [S] | Compressed Length [C] | Shoulder Length | ||||
End to end no fittings | ||||||||
STOCK No. | mm | Inches | mm | Inches | mm | Inches | mm | inches |
GSSK221100 | 1100 | 43.3 | 500 | 19.7 | 600 | 23.6 | 1060 | 41.7 |
GSSK22182 | 182 | 7.2 | 52 | 2 | 130 | 5.1 | 142 | 5.6 |
GSSK22305 | 305 | 12 | 115 | 4.5 | 190 | 7.5 | 265 | 10.4 |
GSSK22350 | 350 | 13.8 | 135 | 5.3 | 215 | 8.5 | 310 | 12.2 |
GSSK22390 | 390 | 15.3 | 155 | 6 | 235 | 9.2 | 347 | 13.7 |
GSSK22410 | 410 | 16.1 | 168 | 6.6 | 242 | 9.5 | 370 | 14.6 |
GSSK22422 | 422 | 16.6 | 160 | 6.3 | 262 | 10.3 | 382 | 15 |
GSSK22437 | 437 | 17.2 | 180 | 7.1 | 257 | 10.1 | 397 | 15.6 |
GSSK22450 | 450 | 17.7 | 160 | 6.3 | 290 | 11.4 | 410 | 16.1 |
GSSK22485 | 485 | 19.1 | 200 | 7.9 | 285 | 11.2 | 445 | 17.5 |
GSSK22502 | 502 | 19.8 | 200 | 7.9 | 302 | 11.9 | 462 | 18.2 |
GSSK22510 | 510 | 20.1 | 220 | 8.7 | 290 | 11.4 | 470 | 18.5 |
GSSK22550 | 550 | 21.7 | 235 | 9.3 | 315 | 12.4 | 510 | 20.1 |
GSSK22575 | 575 | 22.6 | 250 | 9.8 | 325 | 12.8 | 535 | 21.1 |
GSSK22610 | 610 | 24 | 265 | 10.4 | 345 | 13.6 | 570 | 22.4 |
GSSK22660 | 660 | 26 | 290 | 11.4 | 370 | 14.6 | 620 | 24.4 |
GSSK22685 | 685 | 27 | 305 | 12 | 380 | 15 | 645 | 25.4 |
GSSK22710 | 710 | 28 | 305 | 12 | 405 | 15.9 | 670 | 26.4 |
GSSK22750 | 750 | 29.5 | 330 | 13 | 420 | 16.5 | 710 | 28 |
GSSK22785 | 785 | 30.9 | 350 | 13.8 | 435 | 17.1 | 745 | 29.3 |
GSSK22820 | 820 | 32.3 | 360 | 14.2 | 460 | 18.1 | 780 | 30.7 |
GSSK22900 | 900 | 35.4 | 412 | 16.2 | 488 | 19.2 | 860 | 33.9 |
FORCE RANGE | 90 – 1200N (20 – 270 LB)
Extended length is the centre-centre length measured with standard 20mm end fittings. Using other end fittings may alter the overall length. We can manufacture any size gas spring in 10×22 up to a maximum stroke of 412mm.

12.5/27 SERIES | Extended Length [A] | Stroke [S] | Compressed Length [C] | Shoulder Length [B] | ||||
STOCK No. | mm | Inches | mm | Inches | mm | Inches | mm | inches |
GSSK27/10-181 | 181 | 7.1 | 52 | 2 | 129 | 5.1 | 141 | 5.6 |
GSSK271100 | 1100 | 43.3 | 500 | 19.7 | 600 | 23.6 | 1060 | 41.7 |
GSSK271588 | 1588 | 62.5 | 697 | 27.4 | 891 | 35.1 | 1548 | 60.9 |
GSSK27181-14 | 181 | 7.1 | 52 | 2 | 129 | 5.1 | 141 | 5.6 |
GSSK27182 | 182 | 7.2 | 52 | 2 | 130 | 5.1 | 142 | 5.6 |
GSSK27183 | 183 | 7.2 | 52 | 2 | 131 | 5.2 | 143 | 5.6 |
GSSK27238 | 238 | 9.4 | 86 | 3.4 | 152 | 6 | 198 | 7.8 |
GSSK27500 | 500 | 19.7 | 200 | 7.9 | 300 | 11.8 | 460 | 18.1 |
GSSK27505 | 505 | 19.9 | 210 | 8.3 | 295 | 11.6 | 465 | 18.3 |
GSSK27525 | 525 | 20.7 | 220 | 8.7 | 305 | 12 | 485 | 19.1 |
GSSK27830 | 830 | 32.7 | 375 | 14.8 | 455 | 17.9 | 790 | 31.1 |
GSSK27900 | 900 | 35.4 | 410 | 16.1 | 490 | 19.3 | 860 | 33.9 |
GSSK27992 | 992 | 39.1 | 450 | 17.7 | 542 | 21.3 | 952 | 37.5 |
FORCE RANGE | 100 – 1700N (20 – 380 LB)
Extended length is the centre-centre length measured with standard 20mm end fittings. Using other end fittings may alter the overall length. We can manufacture any size gas spring in 12.5×27 up to a maximum stroke of 737mm.
Tension Gas Springs Also known as pull type and traction gas springs, these work opposite to extension gas springs. Similar to a screen door closer, they are used to assist in closing covers, gates, and doors. Tension springs can be configured to have ball socket end fittings with ball studs or eyelet type connections. We recommend the ball and socket connections for mounting as this allows for compensation for misalignment of the connection points.
*** IMPORTANT NOTE ***
Tension springs do not have any control / dampening on retraction or extension speed.

FORCE RANGE | 90 – 900N (20 – 200 LB)
Tension gas springs act in the opposite form as a regular gas spring, by always having a tension ( tendency to shorten) force. Please see end fitting section to view available end fittings. Compressed length is the center – center length measured with standard 20mm end fittings. Using other end fittings may alter the overall length. Other sizes are available. We can custom manufacture other sizes of tension gas springs. May also be available in stainless steel. Tension gas springs DO NOT have end of stroke damping.
All our gas springs feature a double seal system.
Force limits appy to long stroke springs — max force not available in all springs.

6/15 SERIES | EXTENDED LENGTH [A] | STROKE [S] | COMPRESSED LENGTH [C] | EYELET DIAMETER [D] | EYELET THICKNESS [T] | EYELET OFFSET | ||||||
STOCK No. | mm | Inches | mm | Inches | mm | Inches | mm | Inches | mm | Inches | mm | Inches |
GSK15108A | 108 | 4.3 | 26 | 1 | 82 | 3.2 | 6 | 0.24 | 3 | 0.12 | 0 | 0 |
GSK15145A | 145 | 5.7 | 40 | 1.6 | 105 | 4.1 | 6 | 0.24 | 3 | 0.12 | 0 | 0 |
GSK15146A | 146 | 5.7 | 46 | 1.8 | 100 | 3.9 | 6 | 0.24 | 3 | 0.12 | 0 | 0 |
GSK15166A | 166 | 6.5 | 47 | 1.9 | 119 | 4.7 | 6 | 0.24 | 3 | 0.12 | 0 | 0 |
GSK15168A | 168 | 6.6 | 50 | 2 | 118 | 4.6 | 10 | 0.39 | 3 | 0.12 | 0 | 0 |
GSK15185A | 185 | 7.3 | 65 | 2.6 | 120 | 4.7 | 6 | 0.24 | 3 | 0.12 | 0 | 0 |
GSK15196A | 196 | 7.7 | 65 | 2.6 | 131 | 5.2 | 6 | 0.24 | 3 | 0.12 | 0 | 0 |
GSK15220A | 220 | 8.7 | 72 | 2.8 | 148 | 5.8 | 8 | 0.31 | 3 | 0.12 | 0 | 0 |
GSK15225A | 225 | 8.9 | 75 | 3 | 150 | 5.9 | 6 | 0.24 | 3 | 0.12 | 0 | 0 |
GSK15227A | 227 | 8.9 | 83 | 3.3 | 144 | 5.7 | 6 | 0.24 | 3 | 0.12 | 0 | 0 |
GSK15230A | 230 | 9.1 | 76 | 3 | 154 | 6.1 | 8 | 0.31 | 3 | 0.12 | 0 | 0 |
GSK15267A | 267 | 10.5 | 110 | 4.3 | 157 | 6.2 | 6 | 0.24 | 3 | 0.12 | 0 | 0 |
GSK15270A | 270 | 10.6 | 90 | 3.5 | 180 | 7.1 | 6 | 0.24 | 3 | 0.12 | 0 | 0 |
GSK15272A | 272 | 10.7 | 100 | 3.9 | 172 | 6.8 | 6 | 0.24 | 3 | 0.12 | 0 | 0 |
GSK15286A | 286 | 11.3 | 105 | 4.1 | 181 | 7.1 | 6 | 0.24 | 3 | 0.12 | 0 | 0 |
GSK15305A | 305 | 12 | 120 | 4.7 | 185 | 7.3 | 6 | 0.24 | 3 | 0.12 | 0 | 0 |
GSK15359A | 359 | 14.1 | 135 | 5.3 | 224 | 8.8 | 9 | 0.35 | 3 | 0.12 | 2 | 0.08 |
GSK15368A | 368 | 14.5 | 155 | 6.1 | 213 | 8.4 | 6 | 0.24 | 5 | 0.2 | 0 | 0 |
GSK15430A | 430 | 16.9 | 190 | 7.5 | 240 | 9.4 | 6 | 0.24 | 3 | 0.12 | 0 | 0 |
FORCE RANGE | 50 – 400N (10 – 90 LB)
A welded eyelet end is often used to maximize the amount of stroke one can achieve given a specified extended length. Other sizes are available.

8/18 SERIES | EXTENDED LENGTH [A] | STROKE [S] | COMPRESSED LENGTH [C] | EYELET DIAMETER [D] | EYELET THICKNESS [T] | EYELET OFFSET | ||||||
STOCK No. | mm | Inches | mm | Inches | mm | Inches | mm | Inches | mm | Inches | mm | Inches |
GSK18166A | 166 | 6.5 | 50 | 2 | 116 | 4.6 | 10 | 0.39 | 3 | 0.12 | 0 | 0 |
GSK18177A | 177 | 7 | 52 | 2 | 125 | 4.9 | 6 | 0.24 | 3 | 0.12 | 0 | 0 |
GSK18205A | 205 | 8.1 | 67 | 2.6 | 138 | 5.4 | 8 | 0.31 | 5 | 0.2 | 0 | 0 |
GSK18215A | 215 | 8.5 | 75 | 3 | 140 | 5.5 | 8 | 0.31 | 5 | 0.2 | 0 | 0 |
GSK18223A | 223 | 8.8 | 66 | 2.6 | 157 | 6.2 | 8 | 0.31 | 5 | 0.2 | 0 | 0 |
GSK18250A | 250 | 9.8 | 85 | 3.3 | 165 | 6.5 | 10 | 0.39 | 3 | 0.12 | 0 | 0 |
GSK18252A | 252 | 9.9 | 80 | 3.1 | 172 | 6.8 | 10 | 0.39 | 3 | 0.12 | 0 | 0 |
GSK18255A | 255 | 10 | 90 | 3.5 | 165 | 6.5 | 8 | 0.31 | 5 | 0.2 | 0 | 0 |
GSK18255A – 3T10H | 255 | 10 | 90 | 3.5 | 165 | 6.5 | 10 | 0.39 | 3 | 0.12 | 0 | 0 |
GSK18285A | 285 | 11.2 | 105 | 4.1 | 180 | 7.1 | 8 | 0.31 | 5 | 0.2 | 0 | 0 |
GSK18315A | 315 | 12.4 | 122 | 4.8 | 193 | 7.6 | 8 | 0.31 | 5 | 0.2 | 0 | 0 |
FORCE RANGE | 50 – 750N (10 – 170 LB)
A welded eyelet end is often used to maximize the amount of stroke one can achieve given a specified extended length. Please call us as other sizes are available upon request.
10/22 SERIES | EXTENDED LENGTH [A] | STROKE [S] | COMPRESSED LENGTH [C] | EYELET DIAMETER [D] | EYELET THICKNESS [T] | EYELET OFFSET | ||||||
STOCK No. | mm | Inches | mm | Inches | mm | Inches | mm | Inches | mm | Inches | mm | Inches |
GSK22247A | 247 | 9.7 | 88 | 3.5 | 159 | 6.3 | 8 | 0.31 | 5 | 0.2 | 0 | 0 |
GSK22365A | 365 | 14.4 | 125 | 4.9 | 240 | 9.4 | 10 | 0.39 | 5 | 0.2 | 5 | 0.2 |
FORCE RANGE | 90 – 1200N (20 – 270 LB)
A welded eyelet end is often used to maximize the amount of stroke one can achieve given a specified extended length. Custom sizes are available, give us a call !