| MATERIAL | STEEL COMP 4140 OR |
| STEEL COMP 8740 OR |
| STEEL COMP E4340 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR |
| MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OR |
| MIL-S-5000 MIL SPEC 3RD 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 |
| MINIMUM TENSILE STRENGTH | 3700 POUNDS PER SQUARE INCH |
| SHEAR STRENGTH | 9300 DOUBLE POUNDS PER SQUARE INCH |
| HEAD HEIGHT | 0.063 INCHES NOMINAL |
| HEAD MAJOR DIAMETER | 0.384 INCHES MINIMUM AND |
| 0.416 INCHES MAXIMUM |
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND |
| 101.0 DEGREES MAXIMUM |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| FASTENER LENGTH | 0.573 INCHES MINIMUM AND |
| 0.593 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.0947 INCHES MINIMUM AND |
| 0.0967 INCHES MAXIMUM |
| SHANK DIAMETER | 0.2485 INCHES MINIMUM AND |
| 0.2495 INCHES MAXIMUM |
| GRIP LENGTH | 0.183 INCHES MINIMUM AND |
| 0.193 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| IDENTIFICATION CODE COLOR | BRONZE |
| SPECIFICATION/STANDARD DATA | 97499-100-085 MANUFACTURERS STANDARD |