| MATERIAL | STEEL COMP 431 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-18732 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | 258 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| SHEAR STRENGTH | 125000 SINGLE POUNDS PER SQUARE INCH |
| HEAD STYLE | STRAIGHT PAN |
| HEAD HEIGHT | 0.045 INCHES MINIMUM AND |
| 0.055 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.295 INCHES MINIMUM AND |
| 0.315 INCHES MAXIMUM |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| FASTENER LENGTH | 1.315 INCHES MINIMUM AND |
| 1.335 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.0791 INCHES MINIMUM AND |
| 0.0806 INCHES MAXIMUM |
| SHANK DIAMETER | 0.1890 INCHES MINIMUM AND |
| 0.1895 INCHES MAXIMUM |
| GRIP LENGTH | 1.0 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD SIZE | 0.1900 INCHES |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| LUBRICATION | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |