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The seal is in the form of an O-ring, this is the imperial size
Material: V1, Q1, Q2, U2
| Specifications | D | D6 | D7 | L4 |
| 0.375 | 9.525 | 11 | 24.6 | 8.7 |
| 0.5 | 12.7 | 13.5 | 27.8 | 8.7 |
| 0.625 | 15.875 | 17 | 30.95 | 10.3 |
| 0.75 | 19.05 | 20 | 34.15 | 10.3 |
| 0.813 | 20.65 | 21.5 | 35.7 | 10.3 |
| 0.875 | 22.225 | 23 | 37.3 | 10.3 |
| 1 | 25.4 | 26.5 | 40.5 | 10.3 |
| 1.125 | 28.575 | 29.5 | 47.65 | 11.9 |
| 1.25 | 31.75 | 32.5 | 50.8 | 11.9 |
| 1.375 | 34.925 | 36.5 | 54 | 11.9 |
| 1.5 | 38.1 | 39.5 | 57.15 | 11.9 |
| 1.625 | 41.275 | 42.5 | 60.35 | 11.9 |
| 1.75 | 44.45 | 46 | 63.5 | 11.9 |
| 1.875 | 47.625 | 49 | 66.7 | 11.9 |
| 2 | 50.8 | 52 | 69.85 | 13.5 |
| 2.125 | 53.975 | 55.5 | 73.05 | 13.5 |
| 2.25 | 57.15 | 58.5 | 76.2 | 13.5 |
| 2.375 | 60.325 | 61.5 | 79.4 | 13.5 |
| 2.5 | 63.5 | 65 | 82.55 | 13.5 |
| 2.625 | 66.675 | 68 | 92.1 | 15.9 |
| 2.75 | 69.85 | 71 | 95.25 | 15.9 |
| 2.875 | 73.025 | 74.5 | 98.45 | 15.9 |
| 3 | 76.2 | 77.5 | 101.6 | 15.9 |
| 3.125 | 79.375 | 80.5 | 111.15 | 19.9 |
| 3.25 | 82.55 | 84 | 114.3 | 19.9 |
| 3.375 | 85.725 | 87 | 117.5 | 19.9 |
| 3.5 | 88.9 | 90.5 | 120.65 | 19.9 |
| 3.625 | 92.075 | 93.5 | 123.85 | 19.9 |
| 3.75 | 95.25 | 96.5 | 127 | 19.9 |
| 3.875 | 98.425 | 100 | 130.2 | 19.9 |
| 4 | 101.6 | 103 | 133.35 | 19.9 |
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