DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.750 INCHES NOMINAL |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 4.125 INCHES NOMINAL |
EXTENDED WASHER DIAMETER | 0.750 INCHES NOMINAL |
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
EXTENDED WASHER THICKNESS | 0.099 INCHES NOMINAL |
FASTENER LENGTH | 4.750 INCHES NOMINAL |
FIRST DIAMETER FROM HEAD | 0.435 INCHES MINIMUM AND 0.437 INCHES MAXIMUM |
HEAD HEIGHT | 0.435 INCHES NOMINAL |
HEAD STYLE | DOUBLE HEXAGON EXTENDED WASHER |
MATERIAL DOCUMENT AND CLASSIFICATION | FED STD 66,COMP 4340 FED STD SINGLE MATERIAL RESPONSE OVERALL |
MATERIAL | STEEL OVERALL |
NOMINAL THREAD DIAMETER | 0.438 INCHES |
SECOND DIAMETER FROM HEAD | 0.373 INCHES MINIMUM AND 0.377 INCHES MAXIMUM |
WIDTH BETWEEN FLATS | 0.500 INCHES NOMINAL |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
SURFACE TREATMENT | CADMIUM OVERALL |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.625 INCHES MINIMUM |
THREAD SERIES DESIGNATOR | UNF |
THREAD QUANTITY PER INCH | 20 |