THREAD SERIES DESIGNATOR | UNJF |
NOMINAL THREAD DIAMETER | 0.375 INCHES |
THREAD QUANTITY PER INCH | 24 |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.607 INCHES NOMINAL |
FASTENER LENGTH | 6.482 INCHES MINIMUM AND |
| 6.522 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 | CADMIUM AND |
| CHROMATE OVERALL |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY2 CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
HEAD STYLE | HEXAGON |
HEAD HEIGHT | 0.234 INCHES MINIMUM AND |
| 0.266 INCHES MAXIMUM |
WIDTH BETWEEN FLATS | 0.615 INCHES MINIMUM AND |
| 0.627 INCHES MAXIMUM |
SHOULDER SHAPE | ROUND FIRST SHOULDER |
SHOULDER DIAMETER | 0.433 INCHES MINIMUM AND |
| 0.437 INCHES MAXIMUM FIRST SHOULDER |
SHOULDER LENGTH | 5.865 INCHES MINIMUM AND |
| 5.885 INCHES MAXIMUM FIRST SHOULDER |
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 6.295 INCHES NOMINAL FIRST HOLE |
SHANK UNTHREADED HOLE DIAMETER | 0.187 INCHES MINIMUM AND |
| 0.207 INCHES MAXIMUM FIRST HOLE |