5B21-428-21: BOLT,MACHINE.
The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1018 OR STEEL COMP 1212 OR STEEL COMP 1213 OR STEEL COMP 1117 OVERALL, head_style: HEXAGON, head_height: 0.062 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 1.241 INCHES NOMINAL IN, fastener_length: 1.312 INCHES NOMINAL IN. This part is cataloged in the U.S.
Government catalog under NSN 5306-01-089-2912, 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 1018 OR STEEL COMP 1212 OR STEEL COMP 1213 OR STEEL COMP 1117 OVERALL |
| head_style | HEXAGON |
| head_height | 0.062 INCHES NOMINAL IN |
| thread_class | 3A A |
| thread_length | 1.241 INCHES NOMINAL IN |
| fastener_length | 1.312 INCHES NOMINAL IN |
| thread_direction | RIGHT-HAND |
| features_provided | FINISHED HEAD |
| surface_treatment | CADMIUM OVERALL |
| width_between_flats | 0.500 INCHES NOMINAL IN |
| nominal_thread_diameter | 0.250 INCHES IN |
| thread_quantity_per_inch | 28 |
| NSN | 5306-01-089-2912 |
| HEAD HEIGHT | 0.062 INCHES NOMINAL IN |
| FASTENER LENGTH | 1.312 INCHES NOMINAL IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 1 CLASS C FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THREAD LENGTH | 1.241 INCHES NOMINAL IN |
| NOMINAL THREAD DIAMETER | 0.250 INCHES IN |
| FEATURES PROVIDED | FINISHED HEAD |
| HEAD STYLE | HEXAGON |
| THREAD DIRECTION | RIGHT-HAND |
| WIDTH BETWEEN FLATS | 0.500 INCHES NOMINAL IN |
| SURFACE TREATMENT | CADMIUM OVERALL |
No substitute or cross-reference records for this part.