| 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 | CROWN COUTERSUNK GREATER THAN 135 DEGREES |
| LUBRICATION | SOLID FILM AND CETYL ALCOHOL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP XM-13 OVERALL |
| MINIMUM TENSILE STRENGTH | 210000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| SPECIAL FEATURES | 6-32UNJC-3B THREAD SIZE ALONG THE LONGITUDINAL AXIS FROM THE HEAD END. 0.120 INCHES SLOT LENGTH. 0.060 INCHES SLOT WIDTH LOCATED ON SHANK NEAR HEAD |
| 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 DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD CLASS | 3A |
| THREAD SERIES DESIGNATOR | UNJF |
| THREAD QUANTITY PER INCH | 28 |