| DIAMETER | 0.311 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| FIRST END STYLE | SQUARE |
| HARDNESS RATING | 45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD STYLE | HEXAGON |
| HEIGHT | 0.156 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-624,4140 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4140 OVERALL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | PIVET PIN |
| SPECIAL FEATURES | PIN HAS THREADED THROUGH HOLE NO 10-24 UNC 38-0.438 DEPTH |
| STYLE DESIGNATOR | GROOVE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-P-16232, TYPE M, CLASS I MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PHOSPHATE OVERALL |
| UNDER HEAD LENGTH | 0.74 INCHES NOMINAL |
| UNDERCUT DIAMETER | 0.218 INCHES MINIMUM AND 0.223 INCHES MAXIMUM |
| UNDERCUT RADIUS | 0.015 INCHES MINIMUM AND 0.020 INCHES MAXIMUM |
| WIDTH ACROSS FLATS | 0.437 INCHES NOMINAL |