General
| Thread Code |
Nominal Washer Size |
T Thickness |
A Inside Diameter |
B Outside Diameter |
|---|---|---|---|---|
| #2 | 2 - .086 | .016 / .010 | .095 / .089 | .200 / .175 |
| #3 | 3 - .099 | .016 / .010 | .109 / .102 | .232 / .215 |
| #4 | 4 - .112 | .018 / .012 | .123 / .115 | .270 / .245 |
| #5 | 5 - .125 | .020 / .014 | .136 / .129 | .280 / .255 |
| #6 | 6 - .138 | .022 / .016 | .150 / .141 | .295 / .275 |
| #8 | 8 - .164 | .023 / .018 | .176 / .168 | .340 / .325 |
| #10 | 10 - .190 | .024 / .018 | .204 / .195 | .381 / .365 |
| #12 | 12 - .216 | .027 / .020 | .231 / .221 | .410 / .394 |
| #1/4 | 1/4 - .250 | .028 / .023 | .267 / .256 | .478 / .460 |
| #5/16 | 5/16 - .3125 | .034 / .028 | .332 / .320 | .610 / .594 |
| #3/8 | 3/8 - .375 | .040 / .032 | .398 / .384 | .692 / .670 |
| #7/16 | 7/16 - .4375 | .040 / .032 | .464 / .448 | .789 / .740 |
| #1/2 | 1/2 - .500 | .045 /.037 | .530 / .512 | .900 / .867 |
| #9/16 | 9/16 - .5625 | .045 / .037 | .596 / .576 | .985 / .957 |
| #5/8 | 5/8 - .625 | .050 / .042 | .663 / .640 | 1.071 / 1.045 |
| #11/16 | 11/16 - .6875 | .050 / .042 | .728 / .704 | 1.166 / 1.130 |
| #3/4 | 3/4 - .750 | .055 / .047 | .795 / .769 | 1.245 / 1.220 |