THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 1.016 INCHES MINIMUM AND 1.066 INCHES MAXIMUM |
THREAD SERIES DESIGNATOR | UNJF |
THREAD QUANTITY PER INCH | 16 |
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 2.389 INCHES MINIMUM FIRST HOLE AND 2.439 INCHES MAXIMUM FIRST HOLE |
FASTENER LENGTH | 2.464 INCHES MINIMUM AND 2.494 INCHES MAXIMUM |
GRIP DIAMETER | 0.7480 INCHES MINIMUM AND 0.7490 INCHES MAXIMUM |
GRIP LENGTH | 1.615 INCHES MINIMUM AND 1.635 INCHES MAXIMUM |
HARDNESS RATING | 36.0 ROCKWELL C MINIMUM OVERALL AND 40.0 ROCKWELL C MAXIMUM OVERALL |
HEAD HEIGHT | 0.375 INCHES MINIMUM AND 0.390 INCHES MAXIMUM |
HEAD STYLE | DISHED HEXAGON |
NOMINAL THREAD DIAMETER | 0.750 INCHES |
MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OVERALL OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OVERALL OR AMS6322 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
MATERIAL | STEEL COMP E4340 OVERALL OR STEEL COMP 8740 OVERALL |
MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
SHANK UNTHREADED HOLE DIAMETER | 0.141 INCHES MINIMUM FIRST HOLE AND 0.151 INCHES MAXIMUM FIRST HOLE |
WIDTH BETWEEN FLATS | 1.052 INCHES MINIMUM AND 1.065 INCHES MAXIMUM |
SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
SURFACE FINISH | 32.0 MICROINCHES GRIP |
SURFACE FINISH | 32.0 MICROINCHES THREADS |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
THREAD CLASS | 3A |