A31-425: SEAT,VALVE.
The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 440C SEAT, thread_class: 3A SINGLE THREADED PORTION A, surface_treatment: PASSIVATE SEAT, nominal_thread_size: 1.062 INCHES SINGLE THREADED PORTION IN, seating_surface_shape: FLAT, thread_quantity_per_inch: 12 SINGLE THREADED PORTION. This part is cataloged in the U.S.
Government catalog under NSN 5310-00-952-3601, 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 440C SEAT |
| thread_class | 3A SINGLE THREADED PORTION A |
| surface_treatment | PASSIVATE SEAT |
| nominal_thread_size | 1.062 INCHES SINGLE THREADED PORTION IN |
| seating_surface_shape | FLAT |
| thread_quantity_per_inch | 12 SINGLE THREADED PORTION |
| thread_series_designator | UNIFIED NATIONAL JOINT (UNJ) SINGLE THREADED PORTION |
| specification/standard_data | 91816-A31425 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION |
| NSN | 5310-00-952-3601 |
| HEAD HEIGHT | 0.062 INCHES NOMINAL IN |
| NUT LENGTH | 1.110 INCHES MINIMUM AND 1.140 INCHES MAXIMUM IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THREAD SERIES | UNIFIED NATIONAL COARSE (UNC) |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-430 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SHANK END TYPE | OPEN |
| HEAD STYLE | FLAT |
| THREAD DIRECTION | RIGHT-HAND |
| NOMINAL THREAD SIZE | 0.312 INCHES IN |
| NUT DIAMETER | 0.409 INCHES MINIMUM AND 0.413 INCHES MAXIMUM IN |
No substitute or cross-reference records for this part.