120978L7-17: BOLT,CLOSE TOLERANCE.
The BOLT,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: SPLINE DRIVE SHEAR HEAD, grip_length: 0.364 INCHES MINIMUM AND 0.394 INCHES MAXIMUM IN, head_height: 0.257 INCHES NOMINAL IN, thread_class: 3A A, grip_diameter: 0.4358 INCHES MINIMUM AND 0.4367 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5306-01-066-4258, 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 CORROSION RESISTING OVERALL |
| head_style | SPLINE DRIVE SHEAR HEAD |
| grip_length | 0.364 INCHES MINIMUM AND 0.394 INCHES MAXIMUM IN |
| head_height | 0.257 INCHES NOMINAL IN |
| thread_class | 3A A |
| grip_diameter | 0.4358 INCHES MINIMUM AND 0.4367 INCHES MAXIMUM IN |
| thread_length | 0.683 INCHES NOMINAL IN |
| fastener_length | 1.047 INCHES MINIMUM AND 1.077 INCHES MAXIMUM IN |
| thread_direction | RIGHT-HAND |
| surface_treatment | CADMIUM OVERALL |
| head_minor_diameter | 0.828 INCHES MAXIMUM IN |
| nominal_thread_diameter | 0.438 INCHES IN |
| NSN | 5306-01-066-4258 |
| HEAD HEIGHT | 0.257 INCHES NOMINAL IN |
| FASTENER LENGTH | 1.047 INCHES MINIMUM AND 1.077 INCHES MAXIMUM IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | NAS672 NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THREAD LENGTH | 0.683 INCHES NOMINAL IN |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| NOMINAL THREAD DIAMETER | 0.438 INCHES IN |
| HEAD STYLE | SPLINE DRIVE SHEAR HEAD |
| THREAD DIRECTION | RIGHT-HAND |
| GRIP LENGTH | 0.364 INCHES MINIMUM AND 0.394 INCHES MAXIMUM IN |
| HEAD MINOR DIAMETER | 0.828 INCHES MAXIMUM IN |