The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY STEM, bonnet_type: INSIDE SPRING, flange_shape: ROUND SECOND END, connection_type: UNTHREADED INTERNAL TUBE FIRST END, connection_style: STREAMLINED WITH ONE BRAZING RING (TUBE) FIRST END, style_designator: ANGLE. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System under NSN 4820-01-139-1897, 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 STEM |
| bonnet_type | INSIDE SPRING |
| flange_shape | ROUND SECOND END |
| connection_type | UNTHREADED INTERNAL TUBE FIRST END |
| connection_style | STREAMLINED WITH ONE BRAZING RING (TUBE) FIRST END |
| style_designator | ANGLE |
| nominal_thickness | 0.688 INCHES SECOND END IN |
| flange_face_design | PLAIN SECOND END |
| operating_pressure | 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| flow_control_device | DISK |
| maximum_operating_temp | 150.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| valve_operation_method | AUTOMATIC |
| NSN | 4820-01-139-1897 |
| BONNET ATTACHMENT METHOD | BOLTED |
| MATERIAL | COPPER ALLOY BODY |
| MATERIAL | PLASTIC POLYCHLOROTRIFLUOROETHYLENE SEAT |
| VALVE OPERATION METHOD | AUTOMATIC |
| CONNECTION TYPE | FLANGE SECOND END |
| BONNET TYPE | INSIDE SPRING |
| CONNECTION TYPE | UNTHREADED INTERNAL TUBE FIRST END |
| CONNECTION STYLE | STREAMLINED WITH ONE BRAZING RING (TUBE) FIRST END |
| ADJUSTABLE PRESSURE RANGE | +211.0 TO 240.0 POUNDS PER SQUARE INCH LBS |
| NOMINAL OUTSIDE DIAMETER | 3.812 INCHES SECOND END IN |