K1221-8-9: VALVE,SAFETY RELIEF.
The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include seat_angle: 37.0 DEGREES FIRST END, thread_class: 3A FIRST END A, connection_type: THREADED EXTERNAL TUBE FIRST END, connection_style: FLARED (TUBE) FIRST END, style_designator: STRAIGHT THRU, thread_direction: RIGHT-HAND FIRST END. This part is cataloged in the U.S.
Government catalog under NSN 4820-00-772-3191, 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.
| seat_angle | 37.0 DEGREES FIRST END |
| thread_class | 3A FIRST END A |
| connection_type | THREADED EXTERNAL TUBE FIRST END |
| connection_style | FLARED (TUBE) FIRST END |
| style_designator | STRAIGHT THRU |
| thread_direction | RIGHT-HAND FIRST END |
| features_provided | PRESSURE TIGHT OUTLET SIDE |
| disk_loading_method | SPRING |
| flow_control_device | POPPET |
| nominal_thread_size | 0.875 INCHES FIRST END IN |
| valve_operation_method | AUTOMATIC |
| thread_quantity_per_inch | 14 FIRST END |
| NSN | 4820-00-772-3191 |
| FLOW CONTROL DEVICE | POPPET |
| CONNECTION STYLE | FLARED (TUBE) SECOND END |
| CONNECTION STYLE | FLARED (TUBE) FIRST END |
| CONNECTION TYPE | THREADED EXTERNAL TUBE FIRST END |
| CONNECTION TYPE | THREADED EXTERNAL TUBE SECOND END |
| STYLE DESIGNATOR | STRAIGHT THRU |
| NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.625 INCHES FIRST END IN |
| NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.500 INCHES SECOND END IN |
| ADJUSTABLE PRESSURE RANGE | +4.0 TO 6.0 POUNDS PER SQUARE INCH LBS |
| FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE |