DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 3.805 INCHES MINIMUM AND 3.855 INCHES MAXIMUM FIRST HOLE |
FASTENER LENGTH | 4.013 INCHES MINIMUM AND 4.043 INCHES MAXIMUM |
GRIP DIAMETER | 0.4990 INCHES MINIMUM AND 0.4995 INCHES MAXIMUM |
GRIP LENGTH | 3.490 INCHES MINIMUM AND 3.510 INCHES MAXIMUM |
HEAD HEIGHT | 0.250 INCHES MINIMUM AND 0.265 INCHES MAXIMUM |
HEAD STYLE | DISHED HEXAGON |
MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
MATERIAL | IRON ALLOY 660 OVERALL |
MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
NOMINAL THREAD DIAMETER | 0.500 INCHES |
SHANK UNTHREADED HOLE DIAMETER | 0.106 INCHES MINIMUM AND 0.116 INCHES MAXIMUM FIRST HOLE |
WIDTH BETWEEN FLATS | 0.741 INCHES MINIMUM AND 0.752 INCHES MAXIMUM |
SPECIFICATION/STANDARD DATA | 80205-NAS6308 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
SURFACE FINISH | 32.0 MICROINCHES GRIP |
SURFACE FINISH | 32.0 MICROINCHES THREADS |
SURFACE TREATMENT | PASSIVATE OVERALL |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.503 INCHES MINIMUM AND 0.553 INCHES MAXIMUM |
THREAD SERIES DESIGNATOR | UNJF |
THREAD QUANTITY PER INCH | 20 |