| COUNTERSINK ANGLE | 135.0 DEGREES NOMINAL |
| FASTENER LENGTH | 1.248 INCHES MINIMUM AND 1.268 INCHES MAXIMUM |
| GRIP LENGTH | 0.933 INCHES MINIMUM AND 0.943 INCHES MAXIMUM |
| HEAD HEIGHT | 0.0659 INCHES MINIMUM AND 0.0670 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.5026 INCHES MINIMUM AND 0.5111 INCHES MAXIMUM |
| HEAD STYLE | COOPER'S |
| LUBRICATION | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | TITANIUM ALLOY UNS R56400 OVERALL |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| SHANK DIAMETER | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| SHEAR STRENGTH | 95000 SINGLE POUNDS PER SQUARE INCH |
| SPECIAL FEATURES | HI KOTE 1 PER HI SHEAR SPEC 294 WITH THREADS COLORED ORANGE |
| WIDTH BETWEEN FLATS | 0.0947 INCHES MINIMUM AND 0.0967 INCHES MAXIMUM |
| SURFACE TREATMENT | ALUMINUM OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD CLASS | 3A |
| THREAD SERIES DESIGNATOR | UNJF |
| THREAD QUANTITY PER INCH | 28 |