The VALVE,CHECK is a the manufacturer industrial component. Key specifications include thread_class: 3B ALL ENDS, connection_type: THREADED INTERNAL BOSS ALL ENDS, connection_style: GASKET SEAL (BOSS) ALL ENDS, style_designator: STRAIGHT THRU, thread_direction: RIGHT-HAND ALL ENDS, mounting_position: HORIZONTAL OR VERTICAL. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-165-1416, 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.
| thread_class | 3B ALL ENDS |
| connection_type | THREADED INTERNAL BOSS ALL ENDS |
| connection_style | GASKET SEAL (BOSS) ALL ENDS |
| style_designator | STRAIGHT THRU |
| thread_direction | RIGHT-HAND ALL ENDS |
| mounting_position | HORIZONTAL OR VERTICAL |
| operating_pressure | 50.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| disk_loading_method | SPRING |
| flow_control_device | DISK |
| nominal_thread_size | 0.438 INCHES FIRST END IN |
| valve_operation_method | AUTOMATIC |
| media_for_which_designed | REFRIGERANT 12 SECOND RESPONSE |
| NSN | 4820-01-165-1416 |
| MEDIA FOR WHICH DESIGNED | REFRIGERANT 12 SECOND RESPONSE |
| MEDIA FOR WHICH DESIGNED | AIR FIRST RESPONSE |
| MOUNTING POSITION | HORIZONTAL OR VERTICAL |
| THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| CONNECTION STYLE | GASKET SEAL (BOSS) ALL ENDS |
| FLOW CONTROL DEVICE | DISK |
| CONNECTION TYPE | THREADED INTERNAL BOSS ALL ENDS |
| THREAD CLASS | 3B ALL ENDS |
| DISK LOADING METHOD | SPRING |
| NOMINAL THREAD SIZE | 0.438 INCHES FIRST END IN |