| FASTENER LENGTH | 1.550 INCHES MINIMUM AND 1.570 INCHES MAXIMUM |
| GRIP LENGTH | 0.880 INCHES MAXIMUM |
| HEAD HEIGHT | 0.103 INCHES MINIMUM AND 0.115 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.735 INCHES MINIMUM AND 0.770 INCHES MAXIMUM |
| HEAD STYLE | ERR-090 |
| LUBRICATION | SOLID FILM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | IRON ALLOY 660 OVERALL |
| NOMINAL THREAD SIZE | 0.500 INCHES |
| SHANK DIAMETER | 0.4985 INCHES MINIMUM AND 0.4995 INCHES MAXIMUM |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| SHEAR STRENGTH | 95000 SINGLE POUNDS PER SQUARE INCH |
| SPECIAL FEATURES | HI-KOTE 2 SOLID FILM LUBE PER HI-SHEAR SPEC. 292 |
| WIDTH BETWEEN FLATS | 0.2207 INCHES MINIMUM AND 0.2242 INCHES MAXIMUM |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD CLASS | 3A |
| THREAD SERIES DESIGNATOR | UNJF |
| THREAD QUANTITY PER INCH | 20 |