| CRITICALITY CODE JUSTIFICATION | AATB |
| FASTENER LENGTH | 0.525 INCHES MINIMUM AND 0.545 INCHES MAXIMUM |
| GRIP LENGTH | 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM |
| HEAD HEIGHT | 0.030 INCHES NOMINAL |
| HEAD MAJOR DIAMETER | 0.360 INCHES MINIMUM AND 0.380 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| NOMINAL THREAD SIZE | 0.138 INCHES |
| SHANK DIAMETER | 0.166 INCHES MINIMUM AND 0.168 INCHES MAXIMUM |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| SHEAR STRENGTH | 95000 SINGLE POUNDS PER SQUARE INCH |
| SPECIAL FEATURES | GROOVE IN SHANK 0.080 IN. LG |
| WIDTH BETWEEN FLATS | 0.0635 INCHES MINIMUM AND 0.0645 INCHES MAXIMUM |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| THREAD QUANTITY PER INCH | 40 |