General
| Nominal Washer Size | T Thickness MIN/Code | A Inside Diameter | Inside Diameter Code | B Outside Diameter | Outside Diameter Code |
|---|---|---|---|---|---|
| 1.7 | 0.3 | 1.84 / 1.7 | 1.7 | 3.6 / 3.3 | 3.3 |
| 2.2 | 0.3 | 2.34 / 2.2 | 2.2 | 4.5 / 4.2 | 4.2 |
| 2.7 | 0.4 | 2.84 / 2.7 | 2.7 | 5.5 / 5.2 | 5.2 |
| 3.2 | 0.4 | 3.38 / 3.2 | 3.2 | 6.0 / 5.7 | 5.7 |
| 3.7 | 0.5 | 3.88 / 3.7 | 3.7 | 7.0 / 6.64 | 6.64 |
| 4.3 | 0.5 | 4.48 / 4.3 | 4.3 | 8.0 / 7.64 | 7.64 |
| 5.3 | 0.6 | 5.48 / 5.3 | 5.3 | 10.0 / 9.64 | 9.64 |
| 6.4 | 0.7 | 6.62 / 6.4 | 6.4 | 11.0 / 10.57 | 10.57 |
| 7.4 | 0.8 | 7.62 / 7.4 | 7.4 | 12.5 / 12.07 | 12.07 |
| 8.4 | 0.8 | 8.62 / 7.4 | 7.4 | 15.0 / 14.57 | 14.57 |
| 10.5 | 0.9 | 10.77 / 10.5 | 10.5 | 18.0 / 17.57 | 17.57 |
| 13 | 1 | 13.27 / 13.0 | 13 | 20.5 / 19.98 | 19.98 |
| 15 | 1 | 15.27 / 15.0 | 17 | 24.0 / 23.48 | 23.48 |
| 17 | 1.2 | 17.27 / 17.0 | 15 | 26.0 / 25.48 | 25.48 |
| 19 | 1.4 | 19.33 / 19.0 | 19 | 30.0 / 29.48 | 29.48 |
| 21 | 1.4 | 21.33 / 21.0 | 21 | 33.0 / 32.38 | 32.38 |