1881B159: NUT,PLAIN,ROUND.
The NUT,PLAIN,ROUND is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4340 OVERALL, nut_style: ROUND, nut_diameter: 4.000 INCHES NOMINAL IN, thread_class: 3B, nut_thickness: 0.660 INCHES NOMINAL IN, thread_series: UNIFIED NATIONAL JOINT (UNJ). This part is cataloged in the U.S.
Government catalog under NSN 5310-01-193-2325, 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 4340 OVERALL |
| nut_style | ROUND |
| nut_diameter | 4.000 INCHES NOMINAL IN |
| thread_class | 3B |
| nut_thickness | 0.660 INCHES NOMINAL IN |
| thread_series | UNIFIED NATIONAL JOINT (UNJ) |
| thread_direction | RIGHT-HAND |
| drive_point_depth | 0.155 INCHES NOMINAL IN |
| drive_point_width | 0.440 INCHES NOMINAL IN |
| surface_treatment | CADMIUM OVERALL |
| nominal_thread_size | 3.250 INCHES IN |
| drive_point_quantity | 6 |
| NSN | 5310-01-193-2325 |
| HOLE THREAD QUANTITY PER INCH | 32 |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,CLASS 1,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THREAD SERIES | UNIFIED NATIONAL JOINT (UNJ) |
| HOLE CONFIGURATION STYLE | CONFIGURATION F |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-8844 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| DRIVE POINT WIDTH | 0.440 INCHES NOMINAL IN |
| THREAD DIRECTION | RIGHT-HAND |
| NOMINAL THREAD SIZE | 3.250 INCHES IN |
| NUT DIAMETER | 4.000 INCHES NOMINAL IN |
| DRIVE POINT DEPTH | 0.155 INCHES NOMINAL IN |
No substitute or cross-reference records for this part.