9979B51M: VALVE,SAFETY RELIEF.
The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 400 OR NICKEL ALLOY R-405 STEM, connection_type: UNTHREADED INTERNAL PIPE ALL ENDS, connection_style: SOCKET WITH BRAZING RING ALL ENDS, style_designator: ANGLE, operating_pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, disk_loading_method: SPRING. This part is cataloged in the U.S.
Government catalog under NSN 4820-01-284-4242, 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 | NICKEL ALLOY 400 OR NICKEL ALLOY R-405 STEM |
| connection_type | UNTHREADED INTERNAL PIPE ALL ENDS |
| connection_style | SOCKET WITH BRAZING RING ALL ENDS |
| style_designator | ANGLE |
| operating_pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| disk_loading_method | SPRING |
| flow_control_device | DISK |
| maximum_operating_temp | 150.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| valve_operation_method | MANUAL |
| end_item_identification | FORRESTAL CLASS CV |
| opening_pressure_setting | 1401.0 POUNDS PER SQUARE INCH LBS |
| adjustable_pressure_range | +1401.0 TO 1800.0 POUNDS PER SQUARE INCH LBS |
| NSN | 4820-01-284-4242 |
| FLOW CONTROL DEVICE | DISK |
| FURNISHED ITEMS AND QUANTITY | 2 TAILPIECE AND 1 PLUGGED DRAIN AND 1 WRENCH |
| NOMINAL PIPE SIZE ACCOMMODATED | 1.250 INCHES FIRST END IN |
| NOMINAL PIPE SIZE ACCOMMODATED | 0.375 INCHES SECOND END IN |
| CONNECTION STYLE | SOCKET WITH BRAZING RING ALL ENDS |
| CRITICALITY CODE JUSTIFICATION | ZZZY |
| CONNECTION TYPE | UNTHREADED INTERNAL PIPE ALL ENDS |
| STYLE DESIGNATOR | ANGLE |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE STEM |