| FASTENER LENGTH | 0.489 INCHES MINIMUM AND 0.509 INCHES MAXIMUM |
| GRIP LENGTH | 0.182 INCHES MINIMUM AND 0.192 INCHES MAXIMUM |
| HEAD STYLE | FLUSH COUNTERSUNK |
| HEAD MAJOR DIAMETER | 0.256 INCHES MINIMUM AND 0.261 INCHES MAXIMUM |
| NOMINAL THREAD SIZE | 0.164 INCHES |
| LUBRICATION | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-P-416 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| SHANK DIAMETER | 0.015 INCHES MINIMUM AND 0.025 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNJC |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 1,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD CLASS | 3A |
| COUNTERSINK ANGLE | 0.010 DEGREES NOMINAL |