EXTENDED WASHER DIAMETER | 0.438 INCHES NOMINAL |
EXTENDED WASHER THICKNESS | 0.060 INCHES MINIMUM |
FASTENER LENGTH | 0.688 INCHES NOMINAL |
FEATURES PROVIDED | FINISHED HEAD |
GRIP LENGTH | 0.079 INCHES MINIMUM AND 0.099 INCHES MAXIMUM |
HARDNESS RATING | 248.0 BRINELL STANDARD MINIMUM AND 341.0 BRINELL STANDARD MAXIMUM OVERALL |
HEAD HEIGHT | 0.300 INCHES NOMINAL |
HEAD STYLE | DOUBLE HEXAGON W/HOLE |
HOLE CONFIGURATION STYLE | ROUND |
HOLE DIAMETER | 0.070 INCHES NOMINAL |
HOLE TYPE | DRILLED |
HOLE QUANTITY | 4 |
MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
MATERIAL | IRON ALLOY 660 OVERALL |
MINIMUM TENSILE STRENGTH | 130000 POUNDS PER SQUARE INCH |
MINIMUM YIELD STRENGTH | 85000 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 2411 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
SURFACE TREATMENT | SILVER OVERALL |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.589 INCHES MINIMUM AND 0.609 INCHES MAXIMUM |
THREAD QUANTITY PER INCH | 28 |
THREAD SERIES DESIGNATOR | UNJF |