The VALVE,CHECK is a the manufacturer industrial component. Key specifications include seat_angle: 12.0 DEGREES FIRST END, thread_class: 3A FIRST END A, connection_type: THREADED EXTERNAL TUBE FIRST END, connection_style: FLARELESS 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 4820-01-031-3240, 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 | 12.0 DEGREES FIRST END |
| thread_class | 3A FIRST END A |
| connection_type | THREADED EXTERNAL TUBE FIRST END |
| connection_style | FLARELESS FIRST END |
| style_designator | STRAIGHT THRU |
| thread_direction | RIGHT-HAND FIRST END |
| disk_loading_method | SPRING |
| flow_control_device | POPPET |
| nominal_thread_size | 0.438 INCHES FIRST END IN |
| valve_operation_method | AUTOMATIC |
| thread_series_designator | UNIFIED NATIONAL JOINT FINE (UNJF) FIRST END |
| nominal_outside_diameter_tube_accommodated | 0.250 INCHES FIRST END IN |
| NSN | 4820-01-031-3240 |
| SEAT ANGLE | 12.0 DEGREES FIRST END |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) FIRST END |
| NOMINAL THREAD SIZE | 0.438 INCHES FIRST END IN |
| FLOW CONTROL DEVICE | POPPET |
| DISK LOADING METHOD | SPRING |
| THREAD CLASS | 3A FIRST END A |
| STYLE DESIGNATOR | STRAIGHT THRU |
| CONNECTION STYLE | FLARELESS FIRST END |
| VALVE OPERATION METHOD | AUTOMATIC |
| CONNECTION TYPE | THREADED EXTERNAL TUBE FIRST END |