| 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 SHAPE | ROUND FIRST SHOULDER |
| SHOULDER LENGTH | 0.265 INCHES MINIMUM AND 0.275 INCHES MAXIMUM 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 QUANTITY PER INCH | 24 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |