EXTENDED WASHER THICKNESS | 0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM |
EXTENDED WASHER DIAMETER | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM |
FASTENER LENGTH | 1.737 INCHES MINIMUM AND 1.757 INCHES MAXIMUM |
HEAD HEIGHT | 0.485 INCHES MINIMUM AND 0.505 INCHES MAXIMUM |
HEAD STYLE | DOUBLE HEXAGON W/HOLE |
MATERIAL DOCUMENT AND CLASSIFICATION | AMS5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
MATERIAL | IRON ALLOY 660 OVERALL |
PROPRIETARY CHARACTERISTICS | PACS |
NOMINAL THREAD DIAMETER | 0.438 INCHES |
SHOULDER DIAMETER | 0.4990 INCHES MINIMUM AND 0.4995 INCHES MAXIMUM FIRST SHOULDER |
SHOULDER LENGTH | 0.964 INCHES MINIMUM AND 0.974 INCHES MAXIMUM FIRST SHOULDER |
SHOULDER SHAPE | ROUND FIRST SHOULDER |
WIDTH BETWEEN FLATS | 0.562 INCHES NOMINAL |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.763 INCHES MINIMUM AND 0.793 INCHES MAXIMUM |
THREAD QUANTITY PER INCH | 20 |
THREAD SERIES DESIGNATOR | UNJF |