DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.131 INCHES MINIMUM AND 1.163 INCHES MAXIMUM FIRST HOLE |
FASTENER LENGTH | 1.294 INCHES MINIMUM AND 1.341 INCHES MAXIMUM |
GRIP DIAMETER | 0.1885 INCHES MINIMUM AND 0.1894 INCHES MAXIMUM |
GRIP LENGTH | 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM |
HARDNESS RATING | 46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL |
HEAD HEIGHT | 0.130 INCHES MINIMUM AND 0.150 INCHES MAXIMUM |
HEAD STYLE | DOUBLE HEXAGON |
MATERIAL DOCUMENT AND CLASSIFICATION | AMS6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
MATERIAL | STEEL COMP H11 OVERALL |
MINIMUM TENSILE STRENGTH | 220000 POUNDS PER SQUARE INCH |
NOMINAL THREAD DIAMETER | 0.190 INCHES |
SHANK UNTHREADED HOLE DIAMETER | 0.065 INCHES MINIMUM AND 0.075 INCHES MAXIMUM FIRST HOLE |
WIDTH BETWEEN FLATS | 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM |
SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | NAS672 ASSN STD 1ST TREATMENT RESPONSE OR MIL-C-8837 MIL SPEC 2ND TREATMENT RESPONSE OVERALL |
SURFACE TREATMENT | CADMIUM OR CADMIUM AND CHROMATE OVERALL |
THREAD CLASS | 3A |
THREAD LENGTH | 0.304 INCHES MINIMUM AND 0.331 INCHES MAXIMUM |
THREAD DIRECTION | RIGHT-HAND |
THREAD SERIES DESIGNATOR | UNJF |
THREAD QUANTITY PER INCH | 32 |