EXTENDED WASHER DIAMETER | 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |
EXTENDED WASHER THICKNESS | 0.059 INCHES MINIMUM AND 0.079 INCHES MAXIMUM |
FASTENER LENGTH | 0.791 INCHES MINIMUM AND 0.821 INCHES MAXIMUM |
GRIP LENGTH | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM |
GRIP DIAMETER | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL |
HEAD HEIGHT | 0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM |
HEAD STYLE | DOUBLE HEXAGON EXTENDED WASHER |
HOLE CONFIGURATION STYLE | DOUBLE HEXAGON LONGITUDINAL HOLE |
HOLE DIAMETER | 0.032 INCHES MINIMUM AND 0.042 INCHES MAXIMUM |
HOLE QUANTITY | 4 |
HOLE TYPE | DRILLED |
MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-8844,CL1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
MATERIAL | STEEL COMP 4340 OVERALL |
MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH |
NOMINAL THREAD DIAMETER | 0.250 INCHES |
WIDTH BETWEEN FLATS | 0.312 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 | AMS 2401 ASSN STD 1ST TREATMENT RESPONSE AND QQ-P-416,TY2 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.531 INCHES MINIMUM AND 0.581 INCHES MAXIMUM |
THREAD QUANTITY PER INCH | 28 |
THREAD SERIES DESIGNATOR | UNJF |