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National Stock Number:
4820-01-058-7171
Federal Supply Class:
4820
National Item Identification Number:
010587171
Description:
VALVE,CHECK
Detail:
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.
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Manufacturer Information:
| 6898811 | 63005 | ROLLS-ROYCE CORPORATION | | 6898811 | 73342 | ALLISON TRANSMISSION INC |
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Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | FEAT AND SPCL | | DISK LOADING METHOD | SPRING | | FLOW CONTROL DEVICE | POPPET | | MOUNTING POSITION | VERTICAL | | RENEWABLE SEAT RING TYPE | PRESSED-IN | | 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 | | VALVE OPERATION METHOD | AUTOMATIC |
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