A51M42522-13: BOLT,CLOSE TOLERANCE.
The BOLT,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, grip_length: 1.817 INCHES NOMINAL IN, head_height: 0.100 INCHES NOMINAL IN, thread_class: 3A A, grip_diameter: 0.3725 INCHES MINIMUM AND 0.3731 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5306-00-922-1487, 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 OVERALL |
| head_style | HEXAGON |
| grip_length | 1.817 INCHES NOMINAL IN |
| head_height | 0.100 INCHES NOMINAL IN |
| thread_class | 3A A |
| grip_diameter | 0.3725 INCHES MINIMUM AND 0.3731 INCHES MAXIMUM IN |
| thread_length | 0.406 INCHES MAXIMUM IN |
| surface_finish | 63.0 MICROINCHES GRIP |
| fastener_length | 2.223 INCHES NOMINAL IN |
| hardness_rating | 46.0 ROCKWELL C MINIMUM AND 49.0 ROCKWELL C MAXIMUM OVERALL |
| thread_direction | RIGHT-HAND |
| surface_treatment | CADMIUM OVERALL |
| NSN | 5306-00-922-1487 |
| SURFACE FINISH | 63.0 MICROINCHES GRIP |
| HEAD HEIGHT | 0.100 INCHES NOMINAL IN |
| FASTENER LENGTH | 2.223 INCHES NOMINAL IN |
| THREAD LENGTH | 0.406 INCHES MAXIMUM IN |
| HARDNESS RATING | 46.0 ROCKWELL C MINIMUM AND 49.0 ROCKWELL C MAXIMUM OVERALL |
| SHANK UNTHREADED HOLE DIAMETER | 0.075 INCHES MINIMUM AND 0.080 INCHES MAXIMUM FIRST HOLE IN |
| NOMINAL THREAD DIAMETER | 0.375 INCHES IN |
| HEAD STYLE | HEXAGON |
| THREAD DIRECTION | RIGHT-HAND |
| GRIP LENGTH | 1.817 INCHES NOMINAL IN |
No substitute or cross-reference records for this part.