| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| FASTENER LENGTH | 0.885 INCHES MINIMUM AND 0.905 INCHES MAXIMUM |
| GRIP LENGTH | 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.5018 INCHES MINIMUM AND 0.5066 INCHES MAXIMUM |
| HEAD STYLE | FLUSH COUNTERSUNK |
| LUBRICATION | CETYL ALCOHOL AND CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | TITANIUM ALLOY UNS R56400 OVERALL |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| SHANK DIAMETER | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| WIDTH BETWEEN FLATS | 0.0947 INCHES MINIMUM AND 0.0967 INCHES MAXIMUM |
| SURFACE TREATMENT | ANODIZE OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 28 |
| THREAD SERIES DESIGNATOR | UNJF |