| THREAD DIRECTION | RIGHT-HAND |
| FASTENER LENGTH | 4.1105 INCHES MINIMUM AND |
| 4.1405 INCHES MAXIMUM |
| MATERIAL | IRON ALLOY 660 OVERALL |
| THREAD LENGTH | 0.663 INCHES NOMINAL |
| HEAD STYLE | HEXAGON |
| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD DIAMETER | 0.3750 INCHES |
| THREAD QUANTITY PER INCH | 24 |
| THREAD CLASS | 3A |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5731, 5732, 5737, OR 5853 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS2700, METHOD 1, CLASS 4 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| HEAD HEIGHT | 0.203 INCHES MINIMUM AND |
| 0.235 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.554 INCHES MINIMUM AND |
| 0.564 INCHES MAXIMUM |
| GRIP LENGTH | 3.6725 INCHES MINIMUM AND |
| 3.7025 INCHES MAXIMUM |
| GRIP DIAMETER | 0.3720 INCHES MINIMUM AND |
| 0.3745 INCHES MAXIMUM |
| SPECIFICATION/STANDARD DATA | 80205-NAS1003 THRU NAS1020 NATIONAL STD/SPEC |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT, MACHINE, HEXAGON HEAD, A286 CRES |