Seal Details
Type: 1645B
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Imperial Dimensions
| D0 | Size Code | D3 | L1 | Seat Size |
| 0.75 | 0191 | 1.189 | 1.25 | 158 |
| 0.875 | 0222 | 1.315 | 1.25 | 191 |
| 1 | 0254 | 1.437 | 1.312 | 222 |
| 1.125 | 0286 | 1.563 | 1.375 | 254 |
| 1.25 | 0317 | 1.689 | 1.375 | 286 |
| 1.375 | 0349 | 1.941 | 1.685 | 286 |
| 1.5 | 0381 | 1.941 | 1.437 | 317 |
| 1.625 | 0412 | 2.26 | 1.594 | 349 |
| 1.75 | 0444 | 2.315 | 1.75 | 381 |
| 1.875 | 0476 | 2.5 | 1.75 | 412 |
| 2 | 0508 | 2.626 | 1.75 | 444 |
| 2.125 | 0539 | 2.815 | 2.063 | 476 |
| 2.25 | 0571 | 2.846 | 1.749 | 508 |
| 2.375 | 0603 | 3.008 | 2.063 | 539 |
| 2.5 | 0635 | 3.126 | 1.749 | 571 |
| 2.625 | 0666 | 3.252 | 2.063 | 603 |
| 2.75 | 0698 | 3.374 | 2.063 | 635 |
| 2.875 | 0730 | 3.5 | 2.063 | 666 |
| 3 | 0762 | 3.626 | 2.063 | 698 |
| 3.125 | 0794 | 3.752 | 2.063 | 730 |
| 3.250 | 0826 | 3.874 | 2.063 | 762 |
| 3.375 | 0857 | 4 | 2.063 | 793 |
| 3.500 | 0889 | 4.126 | 2.063 | 825 |
| 3.625 | 0921 | 4.252 | 2.063 | 857 |
| 3.750 | 0953 | 4.374 | 2.063 | 889 |
| 3.875 | 0984 | 4.5 | 2.063 | 921 |
| 4.000 | 1016 | 4.626 | 2.063 | 952 |