The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, thread_class: 2A SINGLE THREADED PORTION A, thread_length: 0.500 INCHES NOMINAL SINGLE THREADED PORTION IN, overall_height: 0.625 INCHES NOMINAL IN, style_designator: PLAIN THREADED, nominal_thread_size: 4.875 INCHES SINGLE THREADED PORTION IN. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System under NSN 4820-00-184-9182, 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 | COPPER ALLOY OVERALL |
| thread_class | 2A SINGLE THREADED PORTION A |
| thread_length | 0.500 INCHES NOMINAL SINGLE THREADED PORTION IN |
| overall_height | 0.625 INCHES NOMINAL IN |
| style_designator | PLAIN THREADED |
| nominal_thread_size | 4.875 INCHES SINGLE THREADED PORTION IN |
| body_inside_diameter | 4.375 INCHES NOMINAL IN |
| seating_surface_shape | FLAT |
| thread_quantity_per_inch | 12 SINGLE THREADED PORTION |
| thread_series_designator | UN SINGLE THREADED PORTION |
| NSN | 4820-00-184-9182 |
| VALVE SIZE | 8.000 INCHES IN |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-N-894,CLASS B-CANCELED MIL SPEC SINGLE MATERIAL RESPONSE SEAT |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-N-894. CLASS 6 CANCELED MIL SPEC SINGLE MATERIAL RESPONSE STEM |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-N-894. CLASS B-CANCELED MIL SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| BONNET TYPE | OUTSIDE SCREW-YOKE |
| RENEWABLE SEAT RING TYPE | THREADED |
| VALVE SIZE | 8.000 INCHES IN |
| MAXIMUM OPERATING TEMP | 425.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| VALVE OPERATION METHOD | MANUAL |
| MATERIAL | NICKEL ALLOY R-405 FLOW CONTROL DEVICE |