| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| END ITEM NAME | HELICOPTER,ATTACK |
| FASTENER LENGTH | 0.500 INCHES NOMINAL |
| GRIP LENGTH | 0.500 INCHES NOMINAL |
| HEAD HEIGHT | 0.059 INCHES MINIMUM AND 0.661 INCHES MAXIMUM |
| HEAD STYLE | FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER) |
| HEAD MAJOR DIAMETER | 0.360 INCHES MINIMUM AND 0.395 INCHES MAXIMUM |
| MATERIAL | STEEL OVERALL |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | PIN-RIVET,THREADED,100 DEGREES FLUSH SHEAR HEAD, HEX POIN |
| PROPRIETARY CHARACTERISTICS | PACS |
| MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD SIZE | 0.164 INCHES |
| SHANK DIAMETER | 0.250 INCHES NOMINAL |
| SHANK STYLE | STUMP |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 3A |
| THREAD QUANTITY PER INCH | 28 |
| THREAD SERIES DESIGNATOR | UNJF |
| CHAMFER LENGTH | 0.015 INCHES NOMINAL |
| COUNTERSINK HEIGHT | 0.044 INCHES MINIMUM AND 0.046 INCHES MAXIMUM |