| FASTENER LENGTH | 0.405 INCHES NOMINAL |
| GRIP LENGTH | 0.375 INCHES NOMINAL |
| HEAD HEIGHT | 0.037 INCHES MINIMUM AND 0.047 INCHES MAXIMUM |
| HEAD STYLE | STRAIGHT PAN |
| HEAD MAJOR DIAMETER | 0.242 INCHES MINIMUM AND 0.262 INCHES MAXIMUM |
| LUBRICATION | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| MATERIAL | TITANIUM ALLOY UNS R56400 OVERALL |
| NOMINAL THREAD SIZE | 0.1640 INCHES |
| SHANK DIAMETER | 0.1630 INCHES MINIMUM AND 0.1635 INCHES MAXIMUM |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| SHEAR STRENGTH | 95000 SINGLE POUNDS PER SQUARE INCH |
| WIDTH BETWEEN FLATS | 0.0635 INCHES MINIMUM AND 0.0645 INCHES MAXIMUM |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES DESIGNATOR | UNJC |