| EFFECTIVE LENGTH | 1.760 INCHES MINIMUM AND 1.800 INCHES MAXIMUM |
| DIAMETER | 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM |
| FIRST END STYLE | SQUARE |
| HEAD STYLE | FLAT FILLISTER |
| HEIGHT | 0.100 INCHES MINIMUM AND 0.140 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 303 OVERALL |
| PIN HEAD DIAMETER | 0.220 INCHES MINIMUM AND 0.260 INCHES MAXIMUM |
| UNDER HEAD LENGTH | 1.860 INCHES MINIMUM AND 1.900 INCHES MAXIMUM |
| UNDERCUT DIAMETER | 0.116 INCHES MINIMUM AND 0.118 INCHES MAXIMUM |
| UNDERCUT WIDTH | 0.012 INCHES MINIMUM AND 0.014 INCHES MAXIMUM |
| STYLE DESIGNATOR | GROOVE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-14072,E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |