120978-8D25N: 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: 1.552 INCHES MINIMUM AND 1.572 INCHES MAXIMUM IN, head_height: 0.281 INCHES NOMINAL IN, thread_class: 3A A, grip_diameter: 0.4982 INCHES MINIMUM AND 0.4991 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5306-01-060-6843, 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 | 1.552 INCHES MINIMUM AND 1.572 INCHES MAXIMUM IN |
| head_height | 0.281 INCHES NOMINAL IN |
| thread_class | 3A A |
| grip_diameter | 0.4982 INCHES MINIMUM AND 0.4991 INCHES MAXIMUM IN |
| thread_length | 0.528 INCHES NOMINAL IN |
| fastener_length | 2.080 INCHES MINIMUM AND 2.100 INCHES MAXIMUM IN |
| special_features | DRY FILM LUBE PER MIL-L-8937B ON BEARING SURFACE OF HEAD AND GRIP |
| thread_direction | RIGHT-HAND |
| surface_treatment | CADMIUM THREADS |
| width_between_flats | 0.901 INCHES MAXIMUM IN |
| NSN | 5306-01-060-6843 |
| HEAD HEIGHT | 0.281 INCHES NOMINAL IN |
| FASTENER LENGTH | 2.080 INCHES MINIMUM AND 2.100 INCHES MAXIMUM IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | NAS672 NATIONAL SPEC SINGLE TREATMENT RESPONSE THREADS |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | NAS672 NATIONAL SPEC SINGLE TREATMENT RESPONSE TOP OF HEAD |
| THREAD LENGTH | 0.528 INCHES NOMINAL IN |
| SHANK UNTHREADED HOLE DIAMETER | 0.106 INCHES NOMINAL FIRST HOLE IN |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| NOMINAL THREAD DIAMETER | 0.500 INCHES IN |
| HEAD STYLE | SPLINE DRIVE SHEAR HEAD |
| THREAD DIRECTION | RIGHT-HAND |