DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS |
FASTENER LENGTH | 3.150 INCHES MINIMUM AND 3.250 INCHES MAXIMUM |
HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL |
HEAD DIAMETER | 1.479 INCHES MINIMUM AND 1.500 INCHES MAXIMUM |
HEAD HEIGHT | 0.988 INCHES MINIMUM AND 1.000 INCHES MAXIMUM |
HEAD STYLE | FLAT CHAMFER |
INTERNAL DRIVE STYLE | HEXAGON |
MATERIAL | STEEL OVERALL |
MINIMUM TENSILE STRENGTH | 170000 POUNDS PER SQUARE INCH |
MINIMUM YIELD STRENGTH | 130000 POUNDS PER SQUARE INCH |
NOMINAL THREAD DIAMETER | 1.000 INCHES |
NONDEFINITIVE SPEC/STD DATA | 6 TYPE |
SPECIAL TEST FEATURES | SPECIAL QUALITY CONTROL TESTING |
WIDTH ACROSS FLATS | 0.750 INCHES MINIMUM AND 0.757 INCHES MAXIMUM |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 2.900 INCHES MINIMUM AND 3.250 INCHES MAXIMUM |
THREAD QUANTITY PER INCH | 8 |
THREAD SERIES DESIGNATOR | UNC |