The NUT,PLAIN,SQUARE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140 OVERALL, nut_style: SQUARE, nut_height: 0.188 INCHES NOMINAL IN, thread_class: 3B, thread_series: UNF, thread_direction: RIGHT-HAND. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-208-3895, 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 4140 OVERALL |
| nut_style | SQUARE |
| nut_height | 0.188 INCHES NOMINAL IN |
| thread_class | 3B |
| thread_series | UNF |
| thread_direction | RIGHT-HAND |
| width_across_flats | 0.438 INCHES NOMINAL IN |
| nominal_thread_size | 0.250 INCHES IN |
| bearing_surface_type | FLAT |
| thread_quantity_per_inch | 28 |
| material_document_and_classification | MIL-S-5626,COND F MIL STD SINGLE MATERIAL RESPONSE OVERALL |
| NSN | 5310-00-208-3895 |
| THREAD CLASS | 3B |
| BEARING SURFACE TYPE | FLAT |
| THREAD SERIES | UNF |
| THREAD QUANTITY PER INCH | 28 |
| NOMINAL THREAD SIZE | 0.250 INCHES IN |
| NUT STYLE | SQUARE |
| THREAD DIRECTION | RIGHT-HAND |
| NUT HEIGHT | 0.188 INCHES NOMINAL IN |
| MATERIAL | STEEL COMP 4140 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626,COND F MIL STD SINGLE MATERIAL RESPONSE OVERALL |