DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.978 INCHES MINIMUM FIRST HOLE AND 2.010 INCHES MAXIMUM FIRST HOLE |
FASTENER LENGTH | 2.218 INCHES MINIMUM AND 2.250 INCHES MAXIMUM |
HEAD HEIGHT | 0.390 INCHES MINIMUM AND 0.422 INCHES MAXIMUM |
HEAD STYLE | HEXAGON |
NOMINAL THREAD DIAMETER | 0.625 INCHES |
MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
MATERIAL | IRON ALLOY 660 OVERALL |
SHANK UNTHREADED HOLE DIAMETER | 0.141 INCHES MINIMUM FIRST HOLE AND 0.151 INCHES MAXIMUM FIRST HOLE |
SHOULDER DIAMETER | 0.7485 INCHES MINIMUM FIRST SHOULDER AND 0.7490 INCHES MAXIMUM FIRST SHOULDER |
SHOULDER LENGTH | 1.586 INCHES MINIMUM FIRST SHOULDER AND 1.618 INCHES MAXIMUM FIRST SHOULDER |
SHOULDER SHAPE | ROUND FIRST SHOULDER |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.632 INCHES NOMINAL |
THREAD QUANTITY PER INCH | 18 |
THREAD SERIES DESIGNATOR | UNJF |
WIDTH BETWEEN FLATS | 1.052 INCHES MINIMUM AND 1.064 INCHES MAXIMUM |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
SURFACE TREATMENT | PASSIVATE OVERALL |