| FASTENER LENGTH | 0.750 INCHES NOMINAL |
| GRIP DIAMETER | 0.280 INCHES MINIMUM AND 0.290 INCHES MAXIMUM |
| GRIP LENGTH | 0.088 INCHES MINIMUM AND 0.108 INCHES MAXIMUM |
| HEAD HEIGHT | 0.188 INCHES NOMINAL |
| HEAD STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| NOMINAL THREAD DIAMETER | 0.3125 INCHES |
| WIDTH BETWEEN FLATS | 0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2485 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | BLACK CHEMICAL FINISH OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.642 INCHES MINIMUM AND 0.662 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |