D661-1263: VALVE,SAFETY RELIEF.
The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY BODY, seat_angle: 45.0 DEGREES FIRST END, thread_class: 2A FIRST END A, connection_type: THREADED EXTERNAL PIPE SECOND END, connection_style: PLAIN (PIPE) SECOND END, style_designator: STRAIGHT THRU. This part is cataloged in the U.S.
Government catalog under NSN 4820-01-142-7823, 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 |
| seat_angle | 45.0 DEGREES FIRST END |
| thread_class | 2A FIRST END A |
| connection_type | THREADED EXTERNAL PIPE SECOND END |
| connection_style | PLAIN (PIPE) SECOND END |
| style_designator | STRAIGHT THRU |
| thread_direction | RIGHT-HAND SECOND END |
| disk_loading_method | SPRING |
| flow_control_device | DISK |
| nominal_thread_size | 0.500 INCHES SECOND END IN |
| valve_operation_method | AUTOMATIC |
| opening_pressure_setting | 375.0 POUNDS PER SQUARE INCH LBS |
| NSN | 4820-01-142-7823 |
| FLOW CONTROL DEVICE | DISK |
| CONNECTION STYLE | FLARED (TUBE) FIRST END |
| CONNECTION STYLE | PLAIN (PIPE) SECOND END |
| CONNECTION TYPE | THREADED EXTERNAL PIPE SECOND END |
| CONNECTION TYPE | THREADED EXTERNAL TUBE FIRST END |
| STYLE DESIGNATOR | STRAIGHT THRU |
| THREAD DIRECTION | RIGHT-HAND SECOND END |
| THREAD DIRECTION | RIGHT-HAND FIRST END |
| NOMINAL THREAD SIZE | 0.500 INCHES SECOND END IN |
| NOMINAL THREAD SIZE | 0.875 INCHES FIRST END IN |
No substitute or cross-reference records for this part.