DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 2.746 INCHES MINIMUM AND 2.796 INCHES MAXIMUM FIRST HOLE |
FASTENER LENGTH | 2.939 INCHES MINIMUM AND 2.969 INCHES MAXIMUM |
GRIP DIAMETER | 0.3735 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM |
GRIP LENGTH | 2.490 INCHES MINIMUM AND 2.510 INCHES MAXIMUM |
HEAD HEIGHT | 0.188 INCHES MINIMUM AND 0.203 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 | 0.375 INCHES |
SHANK UNTHREADED HOLE DIAMETER | 0.106 INCHES MINIMUM AND 0.116 INCHES MAXIMUM FIRST HOLE |
SPECIFICATION/STANDARD DATA | 80205-NAS6306 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
WIDTH BETWEEN FLATS | 0.554 INCHES MINIMUM AND 0.564 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 AND CHROMATE OVERALL |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.429 INCHES MINIMUM AND 0.479 INCHES MAXIMUM |
THREAD QUANTITY PER INCH | 24 |
THREAD SERIES DESIGNATOR | UNJF |