4001382-1: BOLT,RIBBED NECK.
The BOLT,RIBBED NECK is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: BUTTON, head_height: 0.172 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.688 INCHES NOMINAL IN, fastener_length: 2.938 INCHES MINIMUM AND 3.062 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5306-01-164-8502, 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 | BUTTON |
| head_height | 0.172 INCHES NOMINAL IN |
| thread_class | 2A A |
| head_diameter | 0.688 INCHES NOMINAL IN |
| fastener_length | 2.938 INCHES MINIMUM AND 3.062 INCHES MAXIMUM IN |
| thread_direction | RIGHT-HAND |
| surface_treatment | CADMIUM AND CHROMATE OVERALL |
| end_item_identification | AN/TPS-75 |
| nominal_thread_diameter | 0.132 INCHES IN |
| thread_quantity_per_inch | 18 |
| thread_series_designator | UNIFIED NATIONAL COARSE (UNC) |
| NSN | 5306-01-164-8502 |
| HEAD HEIGHT | 0.172 INCHES NOMINAL IN |
| FASTENER LENGTH | 2.938 INCHES MINIMUM AND 3.062 INCHES MAXIMUM IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2 CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| NOMINAL THREAD DIAMETER | 0.132 INCHES IN |
| HEAD STYLE | BUTTON |
| THREAD DIRECTION | RIGHT-HAND |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| THREAD CLASS | 2A A |
| END ITEM IDENTIFICATION | AN/TPS-75 |
| THREAD QUANTITY PER INCH | 18 |