| FASTENER LENGTH | 2.687 INCHES MINIMUM AND 2.707 INCHES MAXIMUM |
| GRIP LENGTH | 2.057 INCHES MINIMUM AND 2.067 INCHES MAXIMUM |
| HEAD HEIGHT | 0.150 INCHES MINIMUM AND 0.160 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.592 INCHES MINIMUM AND 0.627 INCHES MAXIMUM |
| LUBRICATION | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6415 ASSN STD SINGLE MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4340 OR STEEL COMP 8740 OVERALL |
| NOMINAL THREAD SIZE | 0.438 INCHES |
| SHANK DIAMETER | 0.4360 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| WIDTH BETWEEN FLATS | 0.1895 INCHES MINIMUM AND 0.1930 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 DIRECTION | RIGHT-HAND |
| THREAD CLASS | 3A |
| THREAD SERIES DESIGNATOR | UNJF |