| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| FASTENER LENGTH | 1.597 INCHES MINIMUM AND 1.617 INCHES MAXIMUM |
| GRIP LENGTH | 1.057 INCHES MINIMUM AND 1.067 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.6287 INCHES MINIMUM AND 0.6335 INCHES MAXIMUM |
| HEAD STYLE | CROWN COUTERSUNK GREATER THAN 135 DEGREES |
| LUBRICATION | SOLID FILM OR DRY FILM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | NICKEL ALLOY 718 OVERALL |
| NOMINAL THREAD SIZE | 0.312 INCHES |
| SHANK DIAMETER | 0.3271 INCHES MINIMUM AND 0.3276 INCHES MAXIMUM |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| WIDTH BETWEEN FLATS | 0.1270 INCHES MINIMUM AND 0.1295 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD CLASS | 3A |
| THREAD SERIES DESIGNATOR | UNJF |
| THREAD QUANTITY PER INCH | 24 |