| FASTENER LENGTH | 1.453 INCHES MINIMUM AND 1.500 INCHES MAXIMUM |
| FEATURES PROVIDED | FINISHED HEAD |
| GRIP LENGTH | 0.922 INCHES MINIMUM AND 0.953 INCHES MAXIMUM |
| HEAD HEIGHT | 0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-18732 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 431 OVERALL |
| NOMINAL THREAD DIAMETER | 0.312 INCHES |
| SPECIAL FEATURES | WITH GROOVE 0.277 IN. MIN 0.290 IN. MAX DIA 0.032 IN. MIN 0.042 IN. MAX WIDE 0.866 IN. FROM HEAD OF BOLT |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-STD-808,PARA.5.1.2.3 MIL STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.500 INCHES MINIMUM AND 0.578 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES DESIGNATOR | UNF |
| WIDTH BETWEEN FLATS | 0.490 INCHES MINIMUM AND 0.502 INCHES MAXIMUM |