DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.615 INCHES MINIMUM AND 1.645 INCHES MAXIMUM FIRST HOLE |
FASTENER LENGTH | 1.795 INCHES MINIMUM AND 1.825 INCHES MAXIMUM |
HEAD HEIGHT | 0.203 INCHES MINIMUM AND 0.215 INCHES MAXIMUM |
HEAD STYLE | HEXAGON |
MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6427 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
MATERIAL | STEEL OVERALL |
MINIMUM TENSILE STRENGTH | 220000 POUNDS PER SQUARE INCH |
NOMINAL THREAD DIAMETER | 0.375 INCHES |
SHANK UNTHREADED HOLE DIAMETER | 0.102 INCHES MINIMUM AND 0.113 INCHES MAXIMUM FIRST HOLE |
SHOULDER DIAMETER | 0.436 INCHES MINIMUM AND 0.437 INCHES MAXIMUM FIRST SHOULDER |
SHOULDER LENGTH | 1.375 INCHES NOMINAL FIRST SHOULDER |
SHOULDER SHAPE | ROUND FIRST SHOULDER |
WIDTH BETWEEN FLATS | 0.553 INCHES MINIMUM AND 0.561 INCHES MAXIMUM |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.420 INCHES MINIMUM AND 0.450 INCHES MAXIMUM |
THREAD SERIES DESIGNATOR | UNJF |
THREAD QUANTITY PER INCH | 24 |