EXTENDED WASHER DIAMETER | 0.550 INCHES MINIMUM AND 0.562 INCHES MAXIMUM |
EXTENDED WASHER THICKNESS | 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM |
FASTENER LENGTH | 1.234 INCHES MINIMUM AND 1.281 INCHES MAXIMUM |
FEATURES PROVIDED | FINISHED HEAD |
HARDNESS RATING | 36.0 ROCKWELL C MINIMUM OVERALL AND 43.0 ROCKWELL C MAXIMUM OVERALL |
HEAD HEIGHT | 0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
HEAD STYLE | DOUBLE HEXAGON EXTENDED WASHER |
NOMINAL THREAD DIAMETER | 0.375 INCHES |
NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND 2 CLASS |
MATERIAL | STEEL OVERALL |
MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
MINIMUM YIELD STRENGTH | 130000 POUNDS PER SQUARE INCH |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 1.109 INCHES MINIMUM AND 1.281 INCHES MAXIMUM |
THREAD QUANTITY PER INCH | 16 |
THREAD SERIES DESIGNATOR | UNC |
WIDTH BETWEEN FLATS | 0.370 INCHES MINIMUM AND 0.378 INCHES MAXIMUM |
SURFACE FINISH | 63.0 MICROINCHES THREADS |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |