| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| FASTENER LENGTH | 1.881 INCHES MINIMUM AND 1.916 INCHES MAXIMUM |
| GRIP LENGTH | 1.428 INCHES MINIMUM AND 1.453 INCHES MAXIMUM |
| HEAD HEIGHT | 0.081 INCHES MAXIMUM |
| HEAD STYLE | COUNTERSUNK W/REVERSE CHAMFER |
| HEAD MAJOR DIAMETER | 0.598 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AISI E3310 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| NOMINAL THREAD SIZE | 0.375 INCHES |
| SPECIAL FEATURES | 0.472 IN. SECOND SHANK DIA |
| SHANK DIAMETER | 0.367 INCHES MINIMUM AND 0.370 INCHES MAXIMUM |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| SHEAR STRENGTH | 108 SINGLE POUNDS PER SQUARE INCH |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OR CADMIUM AND CHROMATE OR CADMIUM AND PHOSPHATE OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |