EXTENDED WASHER DIAMETER | 2.303 INCHES MINIMUM AND 2.313 INCHES MAXIMUM |
EXTENDED WASHER THICKNESS | 0.249 INCHES MINIMUM AND 0.279 INCHES MAXIMUM |
FASTENER LENGTH | 4.020 INCHES MINIMUM AND 4.040 INCHES MAXIMUM |
GRIP DIAMETER | 1.3725 INCHES MINIMUM AND 1.3740 INCHES MAXIMUM |
GRIP LENGTH | 2.115 INCHES MINIMUM AND 2.135 INCHES MAXIMUM |
HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL |
HEAD HEIGHT | 1.256 INCHES MINIMUM AND 1.276 INCHES MAXIMUM |
HEAD STYLE | DOUBLE HEXAGON W/HOLE |
HOLE CONFIGURATION STYLE | DOUBLE HEXAGON LONGITUDINAL HOLE |
HOLE DIAMETER | 0.050 INCHES MINIMUM AND 0.060 INCHES MAXIMUM |
HOLE QUANTITY | 4 |
HOLE TYPE | DRILLED |
MATERIAL | STEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 8740 OR STEEL COMP 6150 OVERALL |
MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH |
NOMINAL THREAD DIAMETER | 1.375 INCHES |
WIDTH BETWEEN FLATS | 1.4375 INCHES NOMINAL |
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 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 1.885 INCHES MINIMUM AND 1.925 INCHES MAXIMUM |
THREAD QUANTITY PER INCH | 12 |
THREAD SERIES DESIGNATOR | UNJF |