| GRIP LENGTH | 1.9325 INCHES MINIMUM AND 1.9425 INCHES MAXIMUM |
| HEAD HEIGHT | 0.228 INCHES MINIMUM AND 0.238 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.940 INCHES MINIMUM AND 0.975 INCHES MAXIMUM |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | FASTENER |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OVERALL |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD SIZE | 0.625 INCHES |
| SHANK DIAMETER | 0.6542 INCHES MINIMUM AND 0.6552 INCHES MAXIMUM |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| SHEAR STRENGTH | 64100 DOUBLE POUNDS PER SQUARE INCH |
| WIDTH BETWEEN FLATS | 0.306 INCHES MINIMUM AND 0.326 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416, TYPE 2, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD CLASS | 3A |
| THREAD SERIES DESIGNATOR | UNJF |
| THREAD QUANTITY PER INCH | 18 |