| MATERIAL | STEEL COMP 8740 OR |
| STEEL COMP 4140 OR |
| STEEL COMP 4340 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6049 MIL SPEC SINGLE MATERIAL RESPONSE OR |
| AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OR |
| AMS 6382 ASSN STD SINGLE MATERIAL RESPONSE OR |
| AMS 6415 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416, TYPE II, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SHEAR STRENGTH | 24600 DOUBLE POUNDS PER SQUARE INCH |
| HEAD STYLE | STRAIGHT PAN |
| HEAD HEIGHT | 0.130 INCHES MINIMUM AND |
| 0.140 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.550 INCHES MINIMUM AND |
| 0.585 INCHES MAXIMUM |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| FASTENER LENGTH | 1.545 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.1582 INCHES MINIMUM AND |
| 0.1617 INCHES MAXIMUM |
| SHANK DIAMETER | 0.197 INCHES MINIMUM AND |
| 0.217 INCHES MAXIMUM |
| GRIP LENGTH | 1.000 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD SIZE | 0.375 INCHES |
| THREAD CLASS | 3A |
| THREAD QUANTITY PER INCH | 24 |
| THREAD DIRECTION | RIGHT-HAND |