6898811: VALVE,CHECK.
The VALVE,CHECK is a the manufacturer industrial component. Key specifications include mounting_position: VERTICAL, disk_loading_method: SPRING, flow_control_device: POPPET, valve_operation_method: AUTOMATIC, renewable_seat_ring_type: PRESSED-IN, criticality_code_justification: FEAT AND SPCL. This part is cataloged in the U.S.
Government catalog under NSN 4820-01-058-7171, 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.
| mounting_position | VERTICAL |
| disk_loading_method | SPRING |
| flow_control_device | POPPET |
| special_test_features | ORIENT VALVE WITH LARGE END DOWN AND APPLY TEST PRESSURE TO SMALL END OF VALVE USING MIL-L-7808 OIL AT 180 DEG F /OR EQUIVALENT/ FOR ALL TEST CONDITIONS DEGF |
| valve_operation_method | AUTOMATIC |
| renewable_seat_ring_type | PRESSED-IN |
| criticality_code_justification | FEAT AND SPCL |
| NSN | 4820-01-058-7171 |
| FLOW CONTROL DEVICE | POPPET |
| RENEWABLE SEAT RING TYPE | PRESSED-IN |
| SPECIAL TEST FEATURES | ORIENT VALVE WITH LARGE END DOWN AND APPLY TEST PRESSURE TO SMALL END OF VALVE USING MIL-L-7808 OIL AT 180 DEG F /OR EQUIVALENT/ FOR ALL TEST CONDITIONS DEGF |
| MOUNTING POSITION | VERTICAL |
| CRITICALITY CODE JUSTIFICATION | FEAT AND SPCL |
| DISK LOADING METHOD | SPRING |
| SPECIAL FEATURES | VALVE SHALL FLOW 29 LBS PER MINUTE WITH 14 PSIG MAX PRESSURE DROP,VALVE OPENING PRESSURE SHALL NOT EXCEED 5.0 PSIG AND SHALL BE FULLY CLOSED /ZERO LEAKAGE/ AT 3.0 PSIG WHENACTUATED IN THE CLOSING DIRECTION LBS |
| VALVE OPERATION METHOD | AUTOMATIC |