NSN 4820-01-058-7171
Part Details | CHECK VALVE
4820-01-058-7171 A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.
Alternate Parts: 6898811, 6898811, 4820-01-058-7171, 01-058-7171, 4820010587171, 010587171
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | MAR 31, 1978 | 01-058-7171 | 05487 ( VALVE, CHECK ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 4820-01-058-7171
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 6898811 | 73342 | ALLISON TRANSMISSION, INC. |
| 6898811 | 63005 | ROLLS-ROYCE CORPORATION |
Technical Data | NSN 4820-01-058-7171
| Characteristic | Specifications |
|---|---|
| FLOW CONTROL DEVICE | POPPET |
| VALVE OPERATION METHOD | AUTOMATIC |
| MOUNTING POSITION | VERTICAL |
| RENEWABLE SEAT RING TYPE | PRESSED-IN |
| 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 |
| 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 |
| CRITICALITY CODE JUSTIFICATION | AFEAT$$ASPCL |