FASTENER LENGTH | 0.719 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL |
HEAD DIAMETER | 0.550 INCHES MINIMUM AND 0.562 INCHES MAXIMUM |
HEAD HEIGHT | 0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
HEAD STYLE | FLAT CHAMFER |
INTERNAL DRIVE STYLE | HEXAGON |
LOCKING FEATURE | PATCH OR STRIP THREADS |
MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
MATERIAL | STEEL OVERALL |
MINIMUM TENSILE STRENGTH | 170000 POUNDS PER SQUARE INCH |
MINIMUM YIELD STRENGTH | 150000 POUNDS PER SQUARE INCH |
NOMINAL THREAD DIAMETER | 0.375 INCHES |
NONDEFINITIVE SPEC/STD DATA | 6 TYPE |
WIDTH ACROSS FLATS | 0.3125 INCHES MINIMUM AND 0.3160 INCHES MAXIMUM |
SURFACE FINISH | 32.0 MICROINCHES THREADS |
SURFACE FINISH | 63.0 MICROINCHES BEARING SURFACE OF HEAD |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2 CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.594 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
THREAD SERIES DESIGNATOR | UNC |
THREAD QUANTITY PER INCH | 16 |