THREAD SERIES DESIGNATOR | UNJF |
NOMINAL THREAD DIAMETER | 0.625 INCHES |
THREAD QUANTITY PER INCH | 18 |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.626 INCHES NOMINAL |
FASTENER LENGTH | 2.188 INCHES NOMINAL |
MATERIAL | IRON ALLOY 660 OVERALL |
MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OR |
| AMS 5737 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 | 0.312 INCHES MINIMUM AND |
| 0.327 INCHES MAXIMUM |
WIDTH BETWEEN FLATS | 0.928 INCHES MINIMUM AND |
| 0.940 INCHES MAXIMUM |
GRIP LENGTH | 1.552 INCHES MINIMUM AND |
| 1.572 INCHES MAXIMUM |
GRIP DIAMETER | 0.6235 INCHES MINIMUM AND |
| 0.6240 INCHES MAXIMUM |
SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| 32.0 MICROINCHES GRIP |
| 32.0 MICROINCHES THREADS |
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.981 INCHES NOMINAL FIRST HOLE |
SHANK UNTHREADED HOLE DIAMETER | 0.070 INCHES MINIMUM AND |
| 0.080 INCHES MAXIMUM FIRST HOLE |
SPECIFICATION/STANDARD DATA | 80205-NAS6310 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |