EXTENDED WASHER DIAMETER | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
EXTENDED WASHER THICKNESS | 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM |
FASTENER LENGTH | 4.170 INCHES MINIMUM AND 4.190 INCHES MAXIMUM |
HEAD HEIGHT | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM |
HEAD STYLE | DOUBLE HEXAGON W/HOLE |
HOLE DIAMETER | 0.196 INCHES MINIMUM AND 0.216 INCHES MAXIMUM |
HOLE CONFIGURATION STYLE | DOUBLE HEXAGON LONGITUDINAL HOLE |
HOLE QUANTITY | 1 |
HOLE TYPE | DRILLED |
MATERIAL DOCUMENT AND CLASSIFICATION | AMS 7477 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
MATERIAL | IRON ALLOY 660 OVERALL |
NOMINAL THREAD DIAMETER | 0.250 INCHES |
SHOULDER LENGTH | 0.770 INCHES MINIMUM AND 0.830 INCHES MAXIMUM FIRST SHOULDER0.809 INCHES MINIMUM AND 0.859 INCHES MAXIMUM SECOND SHOULDER |
SHOULDER SHAPE | ROUND FIRST SHOULDERROUND SECOND SHOULDER |
SHOULDER DIAMETER | 0.309 INCHES MINIMUM AND 0.311 INCHES MAXIMUM ALL SHOULDERS |
SPECIAL FEATURES | DISTANCE BETWEEN BOTH SHOULDERS IS 2.080 IINCHES:USED ON TFE-1042 |
WIDTH BETWEEN FLATS | 0.419 INCHES NOMINAL |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.461 INCHES MINIMUM AND 0.471 INCHES MAXIMUM |
THREAD SERIES DESIGNATOR | UNJF |
THREAD QUANTITY PER INCH | 28 |