389299: 389299.
The 389299 is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8740 OVERALL, hole_type: DRILLED, head_style: DOUBLE HEXAGON EXTENDED WASHER, head_height: 0.360 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN, thread_class: 3A A, hole_diameter: 0.070 INCHES NOMINAL IN. This part is cataloged in the U.S.
Government catalog under NSN 2510-00-618-5147, 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 8740 OVERALL |
| hole_type | DRILLED |
| head_style | DOUBLE HEXAGON EXTENDED WASHER |
| head_height | 0.360 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN |
| thread_class | 3A A |
| hole_diameter | 0.070 INCHES NOMINAL IN |
| hole_quantity | 4 |
| thread_length | 0.380 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN |
| surface_finish | 63.0 MICROINCHES BEARING SURFACE OF HEAD |
| fastener_length | 0.380 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN |
| hardness_rating | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| thread_direction | RIGHT-HAND |
| NSN | 2510-00-618-5147 |
No substitute or cross-reference records for this part.