| FASTENER LENGTH | 2.487 INCHES MINIMUM AND 2.507 INCHES MAXIMUM |
| GRIP LENGTH | 1.817 INCHES MAXIMUM |
| HEAD HEIGHT | 0.178 INCHES MINIMUM AND 0.188 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.740 INCHES MINIMUM AND 0.775 INCHES MAXIMUM |
| HEAD STYLE | ERR-090 |
| LUBRICATION | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| MATERIAL | STEEL COMP E4340 OR 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 | 0.5297 INCHES MINIMUM AND 0.5307 INCHES MAXIMUM |
| SHEAR STRENGTH | 95000 SINGLE POUNDS PER SQUARE INCH |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| WIDTH BETWEEN FLATS | 0.2207 INCHES MINIMUM AND 0.2242 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES DESIGNATOR | UNJF |
| THREAD QUANTITY PER INCH | 20 |