581-6985420-57: NUT,PLAIN,CAP.
The NUT,PLAIN,CAP is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 400 OVERALL, nut_style: CAP, nut_height: 2.130 INCHES NOMINAL IN, thread_class: 2B, thread_series: UNIFIED NATIONAL COARSE (UNC), thread_direction: RIGHT-HAND. This part is cataloged in the U.S.
Government catalog under NSN 5310-01-494-8597, 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 | NICKEL ALLOY 400 OVERALL |
| nut_style | CAP |
| nut_height | 2.130 INCHES NOMINAL IN |
| thread_class | 2B |
| thread_series | UNIFIED NATIONAL COARSE (UNC) |
| thread_direction | RIGHT-HAND |
| width_across_flats | 1.312 INCHES NOMINAL IN |
| nominal_thread_size | 0.875 INCHES IN |
| bearing_surface_type | CHAMFERED OR WASHER FACED |
| end_item_identification | LOS ANGELES CLASS SSN (688) |
| thread_quantity_per_inch | 9 |
| material_document_and_classification | QQ-N-281,CLASS A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| NSN | 5310-01-494-8597 |
| WIDTH ACROSS FLATS | 1.312 INCHES NOMINAL IN |
| THREAD SERIES | UNIFIED NATIONAL COARSE (UNC) |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281,CLASS A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| NOMINAL THREAD SIZE | 0.875 INCHES IN |
| NUT HEIGHT | 2.130 INCHES NOMINAL IN |
| NUT STYLE | CAP |
| THREAD CLASS | 2B |
| END ITEM IDENTIFICATION | LOS ANGELES CLASS SSN (688) |
| THREAD QUANTITY PER INCH | 9 |