DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 9.760 INCHES NOMINAL FIRST HOLE |
FASTENER LENGTH | 10.040 INCHES NOMINAL |
HEAD HEIGHT | 0.380 INCHES NOMINAL |
HEAD DIAMETER | 2.450 INCHES MINIMUM AND 2.520 INCHES MAXIMUM |
HEAD STYLE | ROUND W/WRENCH FLATS |
MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OVERALL |
MATERIAL | STEEL COMP 4140 OR STEEL COMP 4340 OVERALL |
MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH |
NOMINAL THREAD DIAMETER | 1.937 INCHES |
SHANK UNTHREADED HOLE DIAMETER | 0.170 INCHES NOMINAL FIRST HOLE |
SHOULDER DIAMETER | 1.996 INCHES MINIMUM AND 1.998 INCHES MAXIMUM FIRST SHOULDER |
SHOULDER LENGTH | 9.220 INCHES NOMINAL FIRST SHOULDER |
SHOULDER SHAPE | ROUND FIRST SHOULDER |
WIDTH BETWEEN FLATS | 2.200 INCHES NOMINAL |
SURFACE TREATMENT | CHROMIUM OVERALL |
THREAD CLASS | 2A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.820 INCHES MINIMUM AND 0.840 INCHES MAXIMUM |
THREAD SERIES DESIGNATOR | UN |
THREAD QUANTITY PER INCH | 16 |