| MATERIAL | STEEL OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5629 ASSN STD 1ST MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| SHEAR STRENGTH | 125000 SINGLE POUNDS PER SQUARE INCH |
| HEAD STYLE | STRAIGHT PAN |
| HEAD HEIGHT | 0.080 INCHES MINIMUM AND |
| 0.090 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.435 INCHES MINIMUM AND |
| 0.460 INCHES MAXIMUM |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| FASTENER LENGTH | 1.2375 INCHES MINIMUM AND |
| 1.2475 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.0947 INCHES MINIMUM AND |
| 0.0967 INCHES MAXIMUM |
| SHANK DIAMETER | 0.2802 INCHES MINIMUM AND |
| 0.2807 INCHES MAXIMUM |
| GRIP LENGTH | 0.8075 INCHES MINIMUM AND |
| 0.8175 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| THREAD CLASS | 3A |
| THREAD QUANTITY PER INCH | 28 |
| THREAD DIRECTION | RIGHT-HAND |
| LUBRICATION | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | FASTENER |