| FASTENER LENGTH | 2.675 INCHES MINIMUM AND 2.695 INCHES MAXIMUM |
| GRIP LENGTH | 1.195 INCHES MINIMUM AND 2.005 INCHES MAXIMUM |
| HEAD HEIGHT | 0.178 INCHES MINIMUM AND 0.188 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.717 INCHES MINIMUM AND 0.752 INCHES MAXIMUM |
| LUBRICATION | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| 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 | 0.500 INCHES |
| SHANK DIAMETER | 0.5141 INCHES MINIMUM AND 0.5151 INCHES MAXIMUM |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| SHEAR STRENGTH | 39600 DOUBLE POUNDS PER SQUARE INCH |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | HY-LOK |
| WIDTH BETWEEN FLATS | 0.2207 INCHES MINIMUM AND 0.2242 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | -QQ-P-416,TYPE II,CLASS 2, FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 20 |
| THREAD SERIES DESIGNATOR | UNJF |