| DEPARTURE FROM CITED DESIGNATOR | NOONE |
| FASTENER LENGTH | 2.969 INCHES MINIMUM AND 3.031 INCHES MAXIMUM |
| HEAD HEIGHT | 0.548 INCHES MINIMUM AND 0.577 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A322 ASSN STD ALL MATERIAL RESPONSES OR ASTM A331 ASSN STD ALL MATERIAL RESPONSES FASTENER |
| MATERIAL | STEEL PRIMARY WASHER |
| MATERIAL | STEEL COMP 8640 OR STEEL COMP 8740 OR STEEL COMP 4140 FASTENER |
| NOMINAL THREAD DIAMETER | 0.750 INCHES |
| PRIMARY WASHER MATERIAL THICKNESS | 0.188 INCHES NOMINAL |
| PRIMARY WASHER OUTSIDE DIAMETER | 1.279 INCHES NOMINAL |
| PRIMARY WASHER STYLE | FLAT |
| WASHER QUANTITY | 1 |
| WIDTH BETWEEN FLATS | 0.860 INCHES MINIMUM AND 0.875 INCHES MAXIMUM |
| SURFACE TREATMENT | CADMIUM OR ZINC OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD CLASS | 2A |
| THREAD LENGTH | 1.938 INCHES NOMINAL |
| THREAD SERIES DESIGNATOR | UNF |
| THREAD QUANTITY PER INCH | 16 |