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National Stock Number:
4820-00-777-4318
Federal Supply Class:
4820
National Item Identification Number:
007774318
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:
| 633769-4 | 98897 | LOCKHEED MARTIN CORP | | 869A4BB | 91816 | CIRCOR AEROSPACE, INC. | | 869A4BB7 | 91816 | CIRCOR AEROSPACE, INC. |
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Techincal Specification:
| CONNECTION TYPE | THREADED INTERNAL BOSS ALL ENDS | | CONNECTION STYLE | GASKET SEAL (BOSS) ALL ENDS | | DISK LOADING METHOD | SPRING | | FLOW CONTROL DEVICE | POPPET | | MATERIAL | ALUMINUM ALLOY OVERALL | | MAXIMUM OPERATING PRESSURE | 600.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MAXIMUM OPERATING TEMP | -65.0 FAHRENHEIT 1ST RESPONSE | | MAXIMUM OPERATING TEMP | 180.0 FAHRENHEIT 2ND RESPONSE | | MEDIA FOR WHICH DESIGNED | AIR 1ST RESPONSE | | MEDIA FOR WHICH DESIGNED | ALCOHOL, ETHYL 5TH RESPONSE | | MEDIA FOR WHICH DESIGNED | CARBON DIOXIDE 3RD RESPONSE | | MEDIA FOR WHICH DESIGNED | ETHYLENE GLYCOL 4TH RESPONSE | | MEDIA FOR WHICH DESIGNED | FUEL/OIL, HYDROCARBON 2ND RESPONSE | | MOUNTING POSITION | HORIZONTAL OR VERTICAL | | NOMINAL THREAD SIZE | 0.438 INCHES ALL ENDS | | STYLE DESIGNATOR | STRAIGHT THRU | | SURFACE TREATMENT | ANODIZE | | THREAD CLASS | 3B ALL ENDS | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | THREAD SERIES DESIGNATOR | UNF ALL ENDS | | VALVE OPERATION METHOD | AUTOMATIC |
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