| 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 OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416, TYPE II, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| MINIMUM TENSILE STRENGTH | 6300 POUNDS PER SQUARE INCH |
| SHEAR STRENGTH | 19200 DOUBLE POUNDS PER SQUARE INCH |
| HEAD HEIGHT | 0.068 INCHES MINIMUM AND |
| 0.078 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.505 INCHES MINIMUM AND |
| 0.535 INCHES MAXIMUM |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| FASTENER LENGTH | 1.645 INCHES MINIMUM AND |
| 1.665 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.1270 INCHES MINIMUM AND |
| 0.1295 INCHES MAXIMUM |
| SHANK DIAMETER | 0.3579 INCHES MINIMUM AND |
| 0.3589 INCHES MAXIMUM |
| GRIP LENGTH | 1.120 INCHES MINIMUM AND |
| 1.130 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD SIZE | 0.312 INCHES |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| LUBRICATION | CETYL ALCOHOL OR |
| CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| SPECIFICATION/STANDARD DATA | 73197-HL202 MANUFACTURERS STANDARD |