CRITICALITY CODE JUSTIFICATION | FEAT |
FASTENER LENGTH | 0.650 INCHES NOMINAL |
HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
HEAD HEIGHT | 0.152 INCHES MINIMUM AND 0.156 INCHES MAXIMUM |
HEAD STYLE | DISHED HEXAGON |
HOLE CONFIGURATION STYLE | ROUND |
HOLE DIAMETER | 0.076 INCHES NOMINAL |
HOLE QUANTITY | 3 |
HOLE TYPE | DRILLED |
MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-8503 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 4TH MATERIAL RESPONSE OVERALL |
MATERIAL | STEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 6150 OR STEEL COMP 8735 OR STEEL COMP 8740 OVERALL |
MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
NOMINAL THREAD DIAMETER | 0.312 INCHES |
SHOULDER DIAMETER | 0.312 INCHES NOMINAL FIRST SHOULDER |
SHOULDER LENGTH | 0.265 INCHES MINIMUM AND 0.275 INCHES MAXIMUM FIRST SHOULDER |
SHOULDER SHAPE | ROUND FIRST SHOULDER |
SPECIAL FEATURES | ITEM IS CRITICAL TO APPLICATION (A-10 LANDING GEAR COMPONENT) AND IS ESSENTIAL TO WEAPON SYSTEM PERFORMANCE AND OPERATION |
WIDTH BETWEEN FLATS | 0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
SURFACE TREATMENT | CADMIUM AND PHOSPHATE OVERALL |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.375 INCHES NOMINAL |
THREAD SERIES DESIGNATOR | UNJF |
THREAD QUANTITY PER INCH | 24 |