EXTENDED WASHER DIAMETER | 0.460 INCHES MINIMUM AND 0.470 INCHES MAXIMUM |
EXTENDED WASHER THICKNESS | 0.026 INCHES MINIMUM AND 0.046 INCHES MAXIMUM |
FASTENER LENGTH | 1.620 INCHES MINIMUM AND 1.650 INCHES MAXIMUM |
GRIP DIAMETER | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
GRIP LENGTH | 1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM |
HARDNESS RATING | 46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL |
HEAD HEIGHT | 0.194 INCHES MINIMUM AND 0.234 INCHES MAXIMUM |
HEAD MINOR DIAMETER | 0.318 INCHES MINIMUM AND 0.324 INCHES MAXIMUM |
HEAD STYLE | SPLINE EXTENDED WASHER |
MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
MATERIAL | STEEL COMP H11 OVERALL |
MINIMUM TENSILE STRENGTH | 220000 POUNDS PER SQUARE INCH |
NOMINAL THREAD DIAMETER | 0.250 INCHES |
SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
SURFACE FINISH | 32.0 MICROINCHES GRIP |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-8837 TY 2 CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.485 INCHES MINIMUM AND 0.535 INCHES MAXIMUM |
THREAD QUANTITY PER INCH | 28 |
THREAD SERIES DESIGNATOR | UNJF |