| EFFECTIVE LENGTH | 0.510 INCHES MINIMUM AND 0.520 INCHES MAXIMUM |
| DIAMETER | 0.185 INCHES MINIMUM AND 0.186 INCHES MAXIMUM |
| FIRST END STYLE | SQUARE |
| HEAD STYLE | FLAT |
| HEIGHT | 0.046 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 630 OVERALL |
| PIN HEAD DIAMETER | 0.312 INCHES NOMINAL |
| STYLE DESIGNATOR | GROOVE |
| SURFACE FINISH | 125.0 MICROINCHES OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-C-320,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CHROMIUM OVERALL |
| UNDERCUT DIAMETER | 0.173 INCHES MINIMUM AND 0.177 INCHES MAXIMUM |
| UNDERCUT WIDTH | 0.018 INCHES MINIMUM AND 0.020 INCHES MAXIMUM |
| UNDER HEAD LENGTH | 0.580 INCHES NOMINAL |