163420: VALVE,CHECK.
The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY SEAT, thread_class: 3A FIRST END A, connection_type: THREADED EXTERNAL TUBE FIRST END, connection_style: PLAIN (PIPE) SECOND END, style_designator: STRAIGHT THRU, thread_direction: RIGHT-HAND FIRST END. This part is cataloged in the U.S.
Government catalog under NSN 4820-00-430-5583, 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 SEAT |
| thread_class | 3A FIRST END A |
| connection_type | THREADED EXTERNAL TUBE FIRST END |
| connection_style | PLAIN (PIPE) SECOND END |
| style_designator | STRAIGHT THRU |
| thread_direction | RIGHT-HAND FIRST END |
| mounting_position | HORIZONTAL OR VERTICAL |
| disk_loading_method | SPRING |
| flow_control_device | BALL |
| nominal_thread_size | 0.438 INCHES FIRST END IN |
| valve_operation_method | AUTOMATIC |
| renewable_seat_ring_type | THREADED |
| NSN | 4820-00-430-5583 |
| FLOW CONTROL DEVICE | BALL |
| FURNISHED ITEMS AND QUANTITY | 1 NUT AND 1 FERRULE |
| RENEWABLE SEAT RING TYPE | THREADED |
| NOMINAL PIPE SIZE ACCOMMODATED | 0.125 INCHES SECOND END IN |
| CONNECTION STYLE | COMPRESSION (TUBE) FIRST END |
| CONNECTION STYLE | PLAIN (PIPE) SECOND END |
| MOUNTING POSITION | HORIZONTAL OR VERTICAL |
| CONNECTION TYPE | THREADED EXTERNAL PIPE SECOND END |
| CONNECTION TYPE | THREADED EXTERNAL TUBE FIRST END |
| STYLE DESIGNATOR | STRAIGHT THRU |