DISTANCE FROM CENTERLINE TO FLAT | 0.260 INCHES MINIMUM AND 0.270 INCHES MAXIMUM |
FASTENER LENGTH | 1.210 INCHES MINIMUM AND 1.230 INCHES MAXIMUM |
HEAD DIAMETER | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM |
HEAD HEIGHT | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM |
HEAD STYLE | DEE CHAMFER |
MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
MATERIAL | IRON ALLOY 660 OVERALL |
NOMINAL THREAD DIAMETER | 0.438 INCHES |
NONSTANDARD THREAD PITCH DIAMETER | +0.3994 TO 0.4020 INCHES |
SHOULDER DIAMETER | 0.4460 INCHES MINIMUM AND 0.4470 INCHES MAXIMUM FIRST SHOULDER |
SHOULDER LENGTH | 0.650 INCHES MINIMUM AND 0.710 INCHES MAXIMUM FIRST SHOULDER |
SHOULDER SHAPE | ROUND FIRST SHOULDER |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.520 INCHES MINIMUM AND 0.560 INCHES MAXIMUM |
THREAD SERIES DESIGNATOR | UNF |
THREAD QUANTITY PER INCH | 20 |