DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER | 3.815 INCHES MINIMUM AND 3.875 INCHES MAXIMUM |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 2.280 INCHES NOMINAL |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 2.530 INCHES NOMINAL |
EXTENDED WASHER DIAMETER | 0.438 INCHES NOMINAL |
EXTENDED WASHER THICKNESS | 0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM |
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 3 |
FASTENER LENGTH | 4.625 INCHES NOMINAL |
FIRST DIAMETER FROM HEAD | 0.190 INCHES MINIMUM AND 0.195 INCHES MAXIMUM |
HEAD HEIGHT | 0.300 INCHES NOMINAL |
HEAD STYLE | DOUBLE HEXAGON W/HOLE |
MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
MATERIAL | IRON ALLOY 660 OVERALL |
NOMINAL THREAD DIAMETER | 0.250 INCHES |
SECOND DIAMETER FROM HEAD | 0.248 INCHES MINIMUM AND 0.249 INCHES MAXIMUM |
WIDTH BETWEEN FLATS | 0.313 INCHES NOMINAL |
TEST DATA DOCUMENT | 81343-AMS2645 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THIRD DIAMETER FROM HEAD | 0.190 INCHES MINIMUM AND 0.195 INCHES MAXIMUM |
THREAD LENGTH | 0.750 INCHES MINIMUM AND 0.810 INCHES MAXIMUM |
THREAD QUANTITY PER INCH | 28 |
THREAD SERIES DESIGNATOR | UNJF |