DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 4.570 INCHES MINIMUM AND 4.575 INCHES MAXIMUM FIRST HOLE |
EXTENDED WASHER DIAMETER | 1.150 INCHES NOMINAL |
EXTENDED WASHER THICKNESS | 0.200 INCHES NOMINAL |
FASTENER LENGTH | 5.452 INCHES MINIMUM AND 5.457 INCHES MAXIMUM |
HARDNESS RATING | 46.0 ROCKWELL C MINIMUM AND 49.0 ROCKWELL C MAXIMUM OVERALL |
HEAD HEIGHT | 0.400 INCHES NOMINAL |
HEAD STYLE | HEXAGON EXTENDED WASHER |
MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-8949 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
MATERIAL | STEEL COMP D6AC OVERALL |
NOMINAL THREAD DIAMETER | 0.375 INCHES |
SHANK UNTHREADED HOLE DIAMETER | 0.108 INCHES MINIMUM AND 0.113 INCHES MAXIMUM FIRST HOLE |
SHOULDER DIAMETER | 0.745 INCHES MINIMUM AND 0.746 INCHES MAXIMUM FIRST SHOULDER |
SHOULDER LENGTH | 4.921 INCHES MINIMUM AND 4.926 INCHES MAXIMUM FIRST SHOULDER |
SHOULDER SHAPE | ROUND FIRST SHOULDER |
WIDTH BETWEEN FLATS | 0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-26074,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
SURFACE TREATMENT | NICKEL OVERALL |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.375 INCHES MAXIMUM |
THREAD QUANTITY PER INCH | 24 |
THREAD SERIES DESIGNATOR | UNJF |