| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| FASTENER LENGTH | 2.000 INCHES MINIMUM AND 2.020 INCHES MAXIMUM |
| GRIP LENGTH | 1.370 INCHES MINIMUM AND 1.380 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.629 INCHES MINIMUM AND 0.634 INCHES MAXIMUM |
| HEAD STYLE | FLUSH COUNTERSUNK |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | NICKEL ALLOY 718 OVERALL |
| MINIMUM TENSILE STRENGTH | 210000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD SIZE | 0.312 INCHES |
| SHANK DIAMETER | 0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| SHEAR STRENGTH | 125000 SINGLE POUNDS PER SQUARE INCH |
| WIDTH BETWEEN FLATS | 0.1270 INCHES MINIMUM AND 0.1296 INCHES MAXIMUM |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |