The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY STEM, valve_size: 1.000 INCHES IN, flange_shape: ROUND FIRST END, connection_type: FLANGE ALL ENDS, style_designator: ANGLE FLANGED ENDS, nominal_thickness: 0.438 INCHES ALL ENDS IN. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-130-3603, 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 STEM |
| valve_size | 1.000 INCHES IN |
| flange_shape | ROUND FIRST END |
| connection_type | FLANGE ALL ENDS |
| style_designator | ANGLE FLANGED ENDS |
| nominal_thickness | 0.438 INCHES ALL ENDS IN |
| flange_face_design | PLAIN ALL ENDS |
| operating_pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| flow_control_device | DISK |
| valve_operation_method | AUTOMATIC |
| media_for_which_designed | WATER-OIL-GAS SINGLE RESPONSE |
| nominal_outside_diameter | 4.250 INCHES ALL ENDS IN |
| NSN | 4820-01-130-3603 |
| NOMINAL OUTSIDE DIAMETER | 4.250 INCHES ALL ENDS IN |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-637 FED SPEC SINGLE MATERIAL RESPONSE STEM |
| SECOND CONNECTION FACE TO CENTERLINE DISTANCE | 3.250 INCHES IN |
| FLANGE FACE DESIGN | PLAIN ALL ENDS |
| MATERIAL | NICKEL ALLOY SEAT |
| MATERIAL | COPPER ALLOY BODY |
| VALVE SIZE | 1.000 INCHES IN |
| CONNECTION TYPE | FLANGE ALL ENDS |
| MATERIAL | NICKEL ALLOY FLOW CONTROL DEVICE |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-C-390,ALLOY D4/D/ FED SPEC SINGLE MATERIAL RESPONSE BODY |