The VALVE,CHECK is a the manufacturer industrial component. Key specifications include seat_angle: 45.0 DEGREES FIRST END, thread_class: 2A FIRST END A, connection_type: THREADED EXTERNAL TUBE FIRST END, connection_style: FLARED (TUBE) FIRST END, style_designator: STRAIGHT THRU, thread_direction: RIGHT-HAND FIRST END. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-402-9481, 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.
| seat_angle | 45.0 DEGREES FIRST END |
| thread_class | 2A FIRST END A |
| connection_type | THREADED EXTERNAL TUBE FIRST END |
| connection_style | FLARED (TUBE) FIRST END |
| style_designator | STRAIGHT THRU |
| thread_direction | RIGHT-HAND FIRST END |
| disk_loading_method | SPRING |
| flow_control_device | BALL |
| nominal_thread_size | 0.437 INCHES FIRST END IN |
| valve_operation_method | AUTOMATIC |
| thread_quantity_per_inch | 27 SECOND END |
| thread_series_designator | UNF FIRST END |
| NSN | 4820-00-402-9481 |
| THREAD DIRECTION | RIGHT-HAND FIRST END |
| CONNECTION TYPE | THREADED EXTERNAL TUBE FIRST END |
| DISK LOADING METHOD | SPRING |
| NOMINAL THREAD SIZE | 0.437 INCHES FIRST END IN |
| NOMINAL THREAD SIZE | 0.125 INCHES SECOND END IN |
| FLOW CONTROL DEVICE | BALL |
| THREAD SERIES DESIGNATOR | UNF FIRST END |
| NOMINAL PIPE SIZE ACCOMMODATED | 0.125 INCHES SECOND END IN |
| THREAD DIRECTION | RIGHT-HAND SECOND END |
| THREAD QUANTITY PER INCH | 27 SECOND END |