| FASTENER LENGTH | 1.660 INCHES MINIMUM AND 1.680 INCHES MAXIMUM |
| GRIP LENGTH | 1.130 INCHES MAXIMUM |
| HEAD HEIGHT | 0.078 INCHES MINIMUM AND 0.088 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.565 INCHES MINIMUM AND 0.600 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 | 0.375 INCHES |
| SHANK DIAMETER | 0.3735 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| SHEAR STRENGTH | 950000 SINGLE POUNDS PER SQUARE INCH |
| WIDTH BETWEEN FLATS | 0.1582 INCHES MINIMUM AND 0.1617 INCHES MAXIMUM |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD CLASS | 3A |
| THREAD SERIES DESIGNATOR | UNJF |
| THREAD QUANTITY PER INCH | 24 |