742577-1: BOLT,INTERNAL WRENCHING.
The BOLT,INTERNAL WRENCHING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 410 OVERALL, hole_type: DRILLED, head_height: 0.161 INCHES NOMINAL IN, thread_class: 3A A, head_diameter: 0.320 INCHES NOMINAL IN, hole_diameter: 0.044 INCHES MINIMUM AND 0.049 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5306-01-215-5175, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.
Verify compatibility with your specific system configuration before ordering.
| material | STEEL COMP 410 OVERALL |
| hole_type | DRILLED |
| head_height | 0.161 INCHES NOMINAL IN |
| thread_class | 3A A |
| head_diameter | 0.320 INCHES NOMINAL IN |
| hole_diameter | 0.044 INCHES MINIMUM AND 0.049 INCHES MAXIMUM IN |
| hole_quantity | 2 |
| thread_length | 0.247 INCHES NOMINAL IN |
| fastener_length | 0.449 INCHES MINIMUM AND 0.459 INCHES MAXIMUM IN |
| hardness_rating | 30.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL |
| thread_direction | RIGHT-HAND |
| width_across_flats | 0.156 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN |
| NSN | 5306-01-215-5175 |
| EXTENDED WASHER THICKNESS | 0.060 INCHES NOMINAL IN |
| WIDTH ACROSS FLATS | 0.156 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN |
| HEAD HEIGHT | 0.161 INCHES NOMINAL IN |
| FASTENER LENGTH | 0.449 INCHES MINIMUM AND 0.459 INCHES MAXIMUM IN |
| EXTENDED WASHER DIAMETER | 0.500 INCHES NOMINAL IN |
| THREAD LENGTH | 0.247 INCHES NOMINAL IN |
| HARDNESS RATING | 30.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL |
| HOLE CONFIGURATION STYLE | ROUND INTERNAL HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| FIRST DIAMETER FROM HEAD | 0.196 INCHES MINIMUM AND 0.206 INCHES MAXIMUM IN |
No substitute or cross-reference records for this part.