| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| CRITICALITY CODE JUSTIFICATION | FEAT |
| FASTENER LENGTH | 1.434 INCHES MINIMUM AND 1.458 INCHES MAXIMUM |
| GRIP LENGTH | 1.052 INCHES MINIMUM AND 1.067 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.522 INCHES MAXIMUM |
| HEAD STYLE | FLUSH COUNTERSUNK |
| LUBRICATION | DRY 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 | 220000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD SIZE | 0.3125 INCHES |
| SPECIAL FEATURES | 0.138-32UNJC-3B THREADED CONCENTRIC HOLE ALONG THE LONGITUDINAL CENTERLINE OF HEAD END 0.710 IN. MIN,0.720 IN. MAX DP,0.120 IN. SLOT LG,0.060 IN. SLOT W LOCATED 0.590 IN. FROM TOP PF HEAD TO BEGINNING OF SLOT |
| SHANK DIAMETER | 0.3547 INCHES NOMINAL |
| SHANK STYLE | PIN-RIVET, TAPERED, THREADED |
| SHEAR STRENGTH | 125000 SINGLE POUNDS PER SQUARE INCH |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES DESIGNATOR | UNJF |
| THREAD QUANTITY PER INCH | 24 |
| TIP DIAMETER | 0.3358 INCHES NOMINAL |