DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 1.760 INCHES NOMINAL |
EXTENDED WASHER DIAMETER | 0.875 INCHES NOMINAL |
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
EXTENDED WASHER THICKNESS | 0.140 INCHES NOMINAL |
FASTENER LENGTH | 2.650 INCHES NOMINAL |
FEATURES PROVIDED | CASEHARDENED |
FIRST DIAMETER FROM HEAD | 0.460 INCHES MINIMUM AND 0.470 INCHES MAXIMUM |
HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL |
HEAD HEIGHT | 0.530 INCHES NOMINAL |
HEAD STYLE | DOUBLE HEXAGON EXTENDED WASHER |
MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD ALL MATERIAL RESPONSES OVERALL |
MATERIAL | STEEL COMP 8640 OR STEEL COMP 8637 OR STEEL COMP 4140 OVERALL |
NOMINAL THREAD DIAMETER | 0.562 INCHES |
WIDTH BETWEEN FLATS | 0.616 INCHES MINIMUM AND 0.627 INCHES MAXIMUM |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-P-16232 TYPE M,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
SURFACE TREATMENT | PHOSPHATE OVERALL |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.890 INCHES MINIMUM |
THREAD QUANTITY PER INCH | 18 |
THREAD SERIES DESIGNATOR | UNF |