MB156L4-19: BOLT,CLOSE TOLERANCE.
The BOLT,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: SPLINE EXTENDED WASHER, grip_length: 1.188 INCHES NOMINAL IN, head_height: 0.250 INCHES NOMINAL IN, thread_class: 3A A, grip_diameter: 0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5306-01-541-5273, 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 EXTENDED WASHER |
| grip_length | 1.188 INCHES NOMINAL IN |
| head_height | 0.250 INCHES NOMINAL IN |
| thread_class | 3A A |
| grip_diameter | 0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| thread_length | 0.468 INCHES NOMINAL IN |
| fastener_length | 1.438 INCHES NOMINAL IN |
| special_features | UNDRILLED HEAD AND THREADS; WRENCHING ELEMENT NO. 10 |
| thread_direction | RIGHT-HAND |
| surface_treatment | PASSIVATE OVERALL |
| head_minor_diameter | 0.312 INCHES NOMINAL IN |
| NSN | 5306-01-541-5273 |
| EXTENDED WASHER THICKNESS | 0.036 INCHES NOMINAL IN |
| HEAD HEIGHT | 0.250 INCHES NOMINAL IN |
| FASTENER LENGTH | 1.438 INCHES NOMINAL IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS-QQ-P-35 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| EXTENDED WASHER DIAMETER | 0.465 INCHES NOMINAL IN |
| THREAD LENGTH | 0.468 INCHES NOMINAL IN |
| MATERIAL DOCUMENT AND CLASSIFICATION | PH13-8MO PER AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| NOMINAL THREAD DIAMETER | 0.250 INCHES IN |
| HEAD STYLE | SPLINE EXTENDED WASHER |
| THREAD DIRECTION | RIGHT-HAND |