THREAD SERIES DESIGNATOR | UNJF |
NOMINAL THREAD DIAMETER | 0.312 INCHES |
THREAD QUANTITY PER INCH | 24 |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.438 INCHES NOMINAL |
FASTENER LENGTH | 14.837 INCHES MINIMUM AND |
| 14.867 INCHES MAXIMUM |
MATERIAL | IRON ALLOY 660 OVERALL |
MATERIAL DOCUMENT AND CLASSIFICATION | AMS5731 ASSN STD SINGLE MATERIAL RESPONSE OR |
| AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
SURFACE TREATMENT | PASSIVATE OVERALL |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
HEAD STYLE | DISHED HEXAGON |
HEAD HEIGHT | 0.156 INCHES MINIMUM AND |
| 0.171 INCHES MAXIMUM |
WIDTH BETWEEN FLATS | 0.492 INCHES MINIMUM AND |
| 0.502 INCHES MAXIMUM |
GRIP LENGTH | 14.407 INCHES MINIMUM AND |
| 14.424 INCHES MAXIMUM |
GRIP DIAMETER | 0.3115 INCHES MINIMUM AND |
| 0.3120 INCHES MAXIMUM |
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 14.670 INCHES NOMINAL FIRST HOLE |
SHANK UNTHREADED HOLE DIAMETER | 0.076 INCHES MINIMUM AND |
| 0.086 INCHES MAXIMUM FIRST HOLE |
SPECIFICATION/STANDARD DATA | 80205-NAS6305 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |