| FASTENER LENGTH | 1.615 INCHES MINIMUM AND 1.635 INCHES MAXIMUM |
| GRIP LENGTH | 1.125 INCHES MAXIMUM |
| HEAD HEIGHT | 0.102 INCHES MINIMUM AND 0.112 INCHES MAXIMUM |
| HEAD STYLE | STRAIGHT PAN |
| HEAD MAJOR DIAMETER | 0.475 INCHES MINIMUM AND 0.505 INCHES MAXIMUM |
| LUBRICATION | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD SIZE | 0.3125 INCHES |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | PROTRUDING TENSION HEAD PH13.8MO STAINLESS STEEL 1/16 GRIP VARIATION,1/64 OVERSIZE |
| SHANK DIAMETER | 0.3266 INCHES MINIMUM AND 0.3276 INCHES MAXIMUM |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| WIDTH BETWEEN FLATS | 0.1270 INCHES MINIMUM AND 0.1295 INCHES MAXIMUM |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |