| FASTENER LENGTH | 4.113 INCHES MINIMUM AND 4.133 INCHES MAXIMUM |
| GRIP LENGTH | 3.433 INCHES MINIMUM AND 3.443 INCHES MAXIMUM |
| HEAD HEIGHT | 0.153 INCHES MINIMUM AND 0.165 INCHES MAXIMUM |
| HEAD STYLE | FLAT CHAMFER |
| HEAD MAJOR DIAMETER | 0.735 INCHES MINIMUM AND 0.770 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5737 ASSN STD 1ST MATERIAL RESPONSE OR AMS5731 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| MATERIAL | IRON ALLOY 660 OVERALL |
| NOMINAL THREAD SIZE | 0.500 INCHES |
| SHANK DIAMETER | 0.499 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE II,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| WIDTH BETWEEN FLATS | 0.221 INCHES MINIMUM AND 0.224 INCHES MAXIMUM |