The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING STEM, valve_size: 0.500 INCHES IN, bonnet_type: INSIDE SPRING, flange_shape: ROUND WITH HOLES ALL ENDS, connection_type: FLANGE ALL ENDS, style_designator: ANGLE FLANGED ENDS. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-442-8259, 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 | STEEL CORROSION RESISTING STEM |
| valve_size | 0.500 INCHES IN |
| bonnet_type | INSIDE SPRING |
| flange_shape | ROUND WITH HOLES ALL ENDS |
| connection_type | FLANGE ALL ENDS |
| style_designator | ANGLE FLANGED ENDS |
| nominal_thickness | 0.438 INCHES ALL ENDS IN |
| bolt_hole_quantity | 4 ALL ENDS |
| flange_face_design | RAISED STRAIGHT ALL ENDS |
| operating_pressure | 285.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS |
| disk_loading_method | SPRING |
| flow_control_device | DISK |
| NSN | 4820-01-442-8259 |
| SECOND CONNECTION FACE TO CENTERLINE DISTANCE | 3.250 INCHES IN |
| NOMINAL OUTSIDE DIAMETER | 3.500 INCHES ALL ENDS IN |
| BOLT HOLE NOMINAL DIAMETER | 0.625 INCHES ALL ENDS IN |
| OPERATING PRESSURE | 185.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS |
| BOLT CIRCLE NOMINAL DIAMETER | 2.375 INCHES ALL ENDS IN |
| FLANGE FACE DESIGN | RAISED STRAIGHT ALL ENDS |
| STYLE DESIGNATOR | ANGLE FLANGED ENDS |
| OPERATING PRESSURE | 285.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS |
| MATERIAL | STEEL CORROSION RESISTING STEM |
| MATERIAL | STEEL CORROSION RESISTING SEAT |