4X997: VALVE,CHECK.
The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY BODY, thread_class: 3A SECOND END A, connection_type: THREADED EXTERNAL PIPE FIRST END, connection_style: PLAIN (PIPE) FIRST END, special_features: WEAPON SYSTEM ESSENTIAL, style_designator: STRAIGHT THRU. This part is cataloged in the U.S.
Government catalog under NSN 4820-01-099-9567, 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 BODY |
| thread_class | 3A SECOND END A |
| connection_type | THREADED EXTERNAL PIPE FIRST END |
| connection_style | PLAIN (PIPE) FIRST END |
| special_features | WEAPON SYSTEM ESSENTIAL |
| style_designator | STRAIGHT THRU |
| thread_direction | RIGHT-HAND ALL ENDS |
| mounting_position | HORIZONTAL |
| operating_pressure | 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| flow_control_device | DISK |
| nominal_thread_size | 0.375 INCHES FIRST END IN |
| maximum_operating_temp | 450.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| NSN | 4820-01-099-9567 |
| FLOW CONTROL DEVICE | DISK |
| CONNECTION STYLE | PLAIN (TUBE) SECOND END |
| CONNECTION STYLE | PLAIN (PIPE) FIRST END |
| MOUNTING POSITION | HORIZONTAL |
| CRITICALITY CODE JUSTIFICATION | FEAT |
| CONNECTION TYPE | THREADED EXTERNAL TUBE SECOND END |
| CONNECTION TYPE | THREADED EXTERNAL PIPE FIRST END |
| STYLE DESIGNATOR | STRAIGHT THRU |
| OPERATING PRESSURE | 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| THREAD DIRECTION | RIGHT-HAND ALL ENDS |