| COUNTERSINK ANGLE | 129.0 DEGREES MINIMUM AND 131.0 DEGREES MAXIMUM |
| FASTENER LENGTH | 0.7575 INCHES NOMINAL |
| GRIP LENGTH | 0.4375 INCHES NOMINAL |
| HEAD HEIGHT | 0.0590 INCHES MINIMUM AND 0.0610 INCHES MAXIMUM |
| HEAD STYLE | CROWN COUNTERSUNK LESS THAN 135 DEGREES |
| HEAD MAJOR DIAMETER | 0.5026 INCHES MINIMUM AND 0.5111 INCHES MAXIMUM |
| LUBRICATION | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP AND SOLID FILM |
| MATERIAL DOCUMENT AND CLASSIFICATION | |
| MATERIAL | UNABLE TO DECODE |
| NOMINAL THREAD SIZE | 0.2500 INCHES |
| SHANK DIAMETER | 0.2490 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 2 SOLID FILM LUBE PER HI-SHEAR SPEC. 292 ON THREADS ONLY, WITH COLOR ORANGE ON THREAD END, AND CETYL ALCOHOL LUBE PER HI-SHEAR SPEC. 305 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 28 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| WIDTH BETWEEN FLATS | 0.0947 INCHES MINIMUM AND 0.0967 INCHES MAXIMUM |