DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.770 INCHES MINIMUM AND 0.830 INCHES MAXIMUM |
EXTENDED WASHER DIAMETER | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
EXTENDED WASHER THICKNESS | 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM |
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
FASTENER LENGTH | 2.970 INCHES MINIMUM AND 2.990 INCHES MAXIMUM |
FIRST DIAMETER FROM HEAD | 0.309 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
HEAD HEIGHT | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM |
HEAD STYLE | DOUBLE HEXAGON W/HOLE |
MATERIAL DOCUMENT AND CLASSIFICATION | AMS 7477 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
MATERIAL | IRON ALLOY OVERALL |
NOMINAL THREAD DIAMETER | 0.250 INCHES |
SPECIAL FEATURES | USED ON TFE-1042 |
WIDTH BETWEEN FLATS | 0.196 INCHES MINIMUM AND 0.216 INCHES MAXIMUM |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.461 INCHES MINIMUM AND 0.477 INCHES MAXIMUM |
THREAD SERIES DESIGNATOR | UNJF |
THREAD QUANTITY PER INCH | 28 |