*規格外特別寸法OリングG番規格表(JIS B 2401)
| JIS呼び番号 | 内径 | 太さ | JIS呼び番号 | 内径 | 太さ | ||
| G-25 | 24.4 | 3.1 | * | G-455 | 454.3 | 5.7 | |
| G-30 | 29.4 | * | G-460 | 459.3 | |||
| G-35 | 34.4 | * | G-465 | 464.3 | |||
| G-40 | 39.4 | * | G-470 | 469.3 | |||
| * | G-475 | 474.3 | |||||
| G-45 | 44.4 | * | G-480 | 479.3 | |||
| G-50 | 49.4 | * | G-485 | 484.3 | |||
| * | G-52 | 51.4 | * | G-490 | 489.3 | ||
| * | G-495 | 494.3 | |||||
| G-55 | 54.4 | ||||||
| * | G-58 | 57.4 | * | G-500 | 499.3 | ||
| * | G-505 | 504.3 | |||||
| G-60 | 59.4 | * | G-510 | 509.3 | |||
| * | G-62 | 61.4 | * | G-515 | 514.3 | ||
| * | G-63 | 62.4 | |||||
| * | G-64 | 63.4 | * | G-520 | 519.3 | ||
| G-65 | 64.4 | * | G-525 | 524.3 | |||
| * | G-67 | 66.4 | * | G-530 | 529.3 | ||
| G-70 | 69.4 | * | G-535 | 534.3 | |||
| * | G-72 | 71.4 | * | G-540 | 539.3 | ||
| G-75 | 74.4 | * | G-545 | 544.3 | |||
| G-80 | 79.4 | * | G-550 | 549.3 | |||
| G-85 | 84.4 | * | G-555 | 554.3 | |||
| G-90 | 89.4 | * | G-560 | 559.3 | |||
| G-95 | 94.4 | * | G-565 | 564.3 | |||
| * | G-570 | 569.3 | |||||
| G-100 | 99.4 | * | G-575 | 574.3 | |||
| G-105 | 104.4 | * | G-580 | 579.3 | |||
| G-110 | 109.4 | * | G-585 | 584.3 | |||
| G-115 | 114.4 | * | G-590 | 589.3 | |||
| * | G-595 | 594.3 | |||||
| G-120 | 119.4 | * | G-600 | 599.3 | |||
| G-125 | 124.4 | * | G-610 | 609.3 | |||
| G-130 | 129.4 | * | G-620 | 619.3 | |||
| G-135 | 134.4 | * | G-630 | 629.3 | |||
| G-140 | 139.4 | * | G-640 | 639.3 | |||
| G-145 | 144.4 | * | G-650 | 649.3 | |||
| 5.7 | * | G-660 | 659.3 | ||||
| G-150 | 149.3 | * | G-670 | 669.3 | |||
| G-155 | 154.3 | * | G-680 | 679.3 | |||
| G-160 | 159.3 | * | G-690 | 689.3 | |||
| G-165 | 164.3 | * | G-700 | 699.3 | |||
| G-170 | 169.3 | * | G-710 | 709.3 | |||
| G-175 | 174.3 | * | G-720 | 719.3 | |||
| G-180 | 179.3 | * | G-730 | 729.3 | |||
| G-185 | 184.3 | * | G-740 | 739.3 | |||
| G-190 | 189.3 | * | G-750 | 749.3 | |||
| G-195 | 194.3 | * | G-760 | 759.3 | |||
| * | G-770 | 769.3 | |||||
| G-200 | 199.3 | * | G-780 | 779.3 | |||
| * | G-205 | 204.3 | * | G-790 | 789.3 | ||
| G-210 | 209.3 | * | G-800 | 799.3 | |||
| * | G-215 | 214.3 | * | G-810 | 809.3 | ||
| G-220 | 219.3 | * | G-820 | 819.3 | |||
| * | G-225 | 224.3 | * | G-830 | 829.3 | ||
| G-230 | 229.3 | * | G-840 | 839.3 | |||
| * | G-235 | 234.3 | * | G-850 | 849.3 | ||
| G-240 | 239.3 | * | G-860 | 859.3 | |||
| * | G-245 | 244.3 | * | G-870 | 869.3 | ||
| G-250 | 249.3 | * | G-880 | 879.3 | |||
| * | G-255 | 254.3 | * | G-890 | 889.3 | ||
| G-260 | 259.3 | * | G-900 | 899.3 | |||
| * | G-265 | 264.3 | * | G-910 | 909.3 | ||
| G-270 | 269.3 | * | G-920 | 919.3 | |||
| * | G-275 | 274.3 | * | G-930 | 929.3 | ||
| G-280 | 279.3 | * | G-940 | 939.3 | |||
| * | G-285 | 284.3 | * | G-950 | 949.3 | ||
| G-290 | 289.3 | * | G-960 | 959.3 | |||
| * | G-295 | 294.3 | |||||
| G-300 | 299.3 | * | G-970 | 969.3 | |||
| * | G-980 | 979.3 | |||||
| * | G-305 | 304.3 | * | G-990 | 989.3 | ||
| * | G-310 | 309.3 | |||||
| * | G-315 | 314.3 | * | G-1000 | 999.3 | ||
| * | G-320 | 319.3 | * | G-1020 | 1,019.3 | ||
| * | G-1040 | 1,039.3 | |||||
| * | G-325 | 324.3 | * | G-1060 | 1,059.3 | ||
| * | G-330 | 329.3 | * | G-1080 | 1,079.3 | ||
| * | G-335 | 334.3 | * | G-1100 | 1,099.3 | ||
| * | G-340 | 339.3 | * | G-1120 | 1,119.3 | ||
| * | G-345 | 344.3 | * | G-1140 | 1,139.3 | ||
| * | G-350 | 349.3 | * | G-1160 | 1,159.3 | ||
| * | G-355 | 354.3 | * | G-1180 | 1,179.3 | ||
| * | G-360 | 359.3 | * | G-1200 | 1,199.3 | ||
| * | G-365 | 364.3 | * | G-1220 | 1,219.3 | ||
| * | G-370 | 369.3 | * | G-1240 | 1,239.3 | ||
| * | G-1260 | 1,259.3 | |||||
| * | G-375 | 374.3 | * | G-1280 | 1,279.3 | ||
| * | G-380 | 379.3 | * | G-1300 | 1,299.3 | ||
| * | G-385 | 384.3 | * | G-1320 | 1,319.3 | ||
| * | G-390 | 389.3 | * | G-1340 | 1,339.3 | ||
| * | G-395 | 394.3 | * | G-1360 | 1,359.3 | ||
| * | G-400 | 399.3 | * | G-1380 | 1,379.3 | ||
| * | G-405 | 404.3 | * | G-1400 | 1,399.3 | ||
| * | G-410 | 409.3 | * | G-1420 | 1,419.3 | ||
| * | G-415 | 414.3 | * | G-1440 | 1,439.3 | ||
| * | G-420 | 419.3 | * | G-1460 | 1,459.3 | ||
| * | G-425 | 424.3 | * | G-1480 | 1,479.3 | ||
| * | G-430 | 429.3 | * | G-1500 | 1,499.3 | ||
| * | G-435 | 434.3 | |||||
| * | G-440 | 439.3 | |||||
| * | G-445 | 444.3 | |||||
| * | G-450 | 449.3 |