| MATERIAL | STEEL COMP E4340 OR |
| STEEL COMP 4140 OR |
| STEEL COMP 8740 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-500 MIL SPEC SINGLE MATERIAL RESPONSE OR |
| MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OR |
| MIL-S-6049 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND |
| CHROMATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416, TY 2, CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| SHEAR STRENGTH | 95000 SINGLE POUNDS PER SQUARE INCH |
| HEAD HEIGHT | 0.0930 INCHES MINIMUM AND |
| 0.1050 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.6410 INCHES MINIMUM AND |
| 0.6760 INCHES MAXIMUM |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| FASTENER LENGTH | 1.1250 INCHES MINIMUM AND |
| 1.1450 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.1895 INCHES MINIMUM AND |
| 0.1930 INCHES MAXIMUM |
| SHANK DIAMETER | 0.4360 INCHES MINIMUM AND |
| 0.4370 INCHES MAXIMUM |
| GRIP LENGTH | 0.4950 INCHES MINIMUM AND |
| 0.5050 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD SIZE | 0.4375 INCHES |
| THREAD CLASS | 3A |
| THREAD QUANTITY PER INCH | 20 |
| THREAD DIRECTION | RIGHT-HAND |
| LUBRICATION | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| IDENTIFICATION CODE COLOR | BRONZE |