| HEAD DIAMETER | 1.230 INCHES MINIMUM AND 1.270 INCHES MAXIMUM |
| HEAD HEIGHT | 0.015 INCHES MINIMUM AND 0.100 INCHES MAXIMUM |
| OVERALL LENGTH | 0.605 INCHES MINIMUM AND 0.645 INCHES MAXIMUM |
| NOMINAL THREAD SIZE | 0.250 INCHES LOCATION NOT OTHERWISE SPECIFIED |
| STYLE DESIGNATOR | FLUSH |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 2A LOCATION NOT OTHERWISE SPECIFIED |
| THREAD DIRECTION | RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED |
| THREAD LENGTH | 0.425 INCHES MINIMUM AND 0.525 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED |
| THREAD QUANTITY PER INCH | 20 LOCATION NOT OTHERWISE SPECIFIED |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) LOCATION NOT OTHERWISE SPECIFIED |