| MATERIAL | STEEL COMP E4340 OR |
| STEEL COMP 4140 OR |
| STEEL COMP 8740 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR |
| MIL-S-5626 MIL SPEC 2ND MATERIAL RESPONSE OR |
| MIL-S-6049 MIL SPEC 3RD MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND |
| CHROMATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416, TYPE II, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| MINIMUM TENSILE STRENGTH | 8700 POUNDS PER SQUARE INCH |
| SHEAR STRENGTH | 24600 DOUBLE POUNDS PER SQUARE INCH |
| HEAD STYLE | STRAIGHT PAN |
| HEAD HEIGHT | 0.078 INCHES MINIMUM AND |
| 0.088 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.565 INCHES MINIMUM AND |
| 0.600 INCHES MAXIMUM |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| FASTENER LENGTH | 1.6075 INCHES NOMINAL |
| WIDTH BETWEEN FLATS | 0.1582 INCHES MINIMUM AND |
| 0.1617 INCHES MAXIMUM |
| SHANK DIAMETER | 0.4047 INCHES MINIMUM AND |
| 0.4057 INCHES MAXIMUM |
| GRIP LENGTH | 1.0625 INCHES NOMINAL |
| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD SIZE | 0.375 INCHES |
| THREAD CLASS | 3A |
| THREAD QUANTITY PER INCH | 24 |
| THREAD DIRECTION | RIGHT-HAND |
| LUBRICATION | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| IDENTIFICATION CODE COLOR | BRONZE |