| COUNTERSINK ANGLE | 100.0 DEGREES MINIMUM |
| FASTENER LENGTH | 0.3281 INCHES NOMINAL |
| GRIP LENGTH | 0.3266 INCHES MINIMUM AND 0.3276 INCHES MAXIMUM |
| HEAD STYLE | FLUSH COUNTERSUNK |
| HEAD MAJOR DIAMETER | 0.4844 INCHES MINIMUM AND 0.4894 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 OR MIL-S-6049 MIL SPEC ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | STEEL OVERALL |
| NOMINAL THREAD SIZE | 0.3125 INCHES |
| SPECIAL FEATURES | 108,000-180,000 PSI SHEAR(180,000 PSI TENSILE MINIMUM) PER AMS-H-6875; HI-LOK HI-TIGUE PIN, 100 DEGREE FLUSH CROWN SHEAR HEAD, ALLOY STEEL, 1/16 GRIP VARIATION- 1/64 OVS |
| SHANK DIAMETER | 0.1270 INCHES MINIMUM AND 0.1295 INCHES MAXIMUM |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| SHEAR STRENGTH | 21070 DOUBLE POUNDS PER SQUARE INCH |
| WIDTH BETWEEN FLATS | 0.160 INCHES MINIMUM AND 0.180 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416, TYPE II, CLASS 2, FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES DESIGNATOR | UNJF |
| THREAD QUANTITY PER INCH | 24 |