| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| FASTENER LENGTH | 0.622 INCHES MINIMUM AND 0.642 INCHES MAXIMUM |
| GRIP LENGTH | 0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.502 INCHES MINIMUM AND 0.512 INCHES MAXIMUM |
| HEAD STYLE | FLUSH COUNTERSUNK |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| LUBRICATION | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS4928 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | TITANIUM ALLOY UNS R56400 OVERALL |
| MINIMUM TENSILE STRENGTH | 95000 POUNDS PER SQUARE INCH |
| SHANK DIAMETER | 0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| THREAD QUANTITY PER INCH | 28 |
| THREAD SERIES DESIGNATOR | UNJF |
| WIDTH BETWEEN FLATS | 0.122 INCHES MINIMUM AND 0.142 INCHES MAXIMUM |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD CLASS | 3A |