The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY SEAT, bonnet_type: INSIDE SPRING, flange_shape: ROUND FIRST END, connection_type: FLANGE FIRST END, connection_style: STREAMLINED WITH ONE BRAZING RING (TUBE) SECOND 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 (FLIS) under NSN 4820-01-134-2803, 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 SEAT |
| bonnet_type | INSIDE SPRING |
| flange_shape | ROUND FIRST END |
| connection_type | FLANGE FIRST END |
| connection_style | STREAMLINED WITH ONE BRAZING RING (TUBE) SECOND END |
| style_designator | ANGLE |
| nominal_thickness | 0.344 INCHES FIRST END IN |
| flange_face_design | PLAIN FIRST END |
| operating_pressure | 150.0 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 | 4820-01-134-2803 |
| OPERATING PRESSURE | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-C-390,ALLOY D4/D/ FED SPEC SINGLE MATERIAL RESPONSE BODY |
| FLANGE FACE DESIGN | PLAIN FIRST END |
| NOMINAL OUTSIDE DIAMETER | 3.875 INCHES FIRST END IN |
| STYLE DESIGNATOR | ANGLE |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| MATERIAL | COPPER ALLOY BODY |
| CONNECTION TYPE | FLANGE FIRST END |
| BONNET ATTACHMENT METHOD | BOLTED |
| MATERIAL | NICKEL ALLOY SEAT |