665-4-4SS27: VALVE,SAFETY RELIEF.
The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, bonnet_type: INSIDE SCREW, thread_class: 3B ALL ENDS, connection_type: THREADED INTERNAL BOSS ALL ENDS, connection_style: GASKET SEAL(BOSS) ALL ENDS, thread_direction: RIGHT-HAND ALL ENDS. This part is cataloged in the U.S.
Government catalog under NSN 4820-00-403-4692, 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 COMP 303 OVERALL |
| bonnet_type | INSIDE SCREW |
| thread_class | 3B ALL ENDS |
| connection_type | THREADED INTERNAL BOSS ALL ENDS |
| connection_style | GASKET SEAL(BOSS) ALL ENDS |
| thread_direction | RIGHT-HAND ALL ENDS |
| features_provided | PRESSURE TIGHT OUTLET SIDE |
| surface_treatment | PASSIVATE PLATE |
| operating_pressure | 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| disk_loading_method | SPRING |
| flow_control_device | POPPET |
| nominal_thread_size | 0.437 INCHES ALL ENDS IN |
| NSN | 4820-00-403-4692 |
| FLOW CONTROL DEVICE | POPPET |
| CONNECTION STYLE | GASKET SEAL(BOSS) ALL ENDS |
| CONNECTION TYPE | THREADED INTERNAL BOSS ALL ENDS |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.250 INCHES ALL ENDS IN |
| OPERATING PRESSURE | 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE |
| BONNET TYPE | INSIDE SCREW |
| THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| NOMINAL THREAD SIZE | 0.437 INCHES ALL ENDS IN |
No substitute or cross-reference records for this part.