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National Stock Number:
4820-00-203-9383
Federal Supply Class:
4820
National Item Identification Number:
002039383
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:
| 634043-1 | 98897 | LOCKHEED MARTIN CORP | | P7-526 | 91816 | CIRCOR AEROSPACE, INC. |
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Techincal Specification:
| CONNECTION STYLE | FLARED (TUBE) ALL ENDS | | CONNECTION TYPE | THREADED EXTERNAL TUBE ALL ENDS | | DISK LOADING METHOD | SPRING | | FLOW CONTROL DEVICE | POPPET | | OPERATING PRESSURE | 225.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE | | MATERIAL | ALUMINUM ALLOY OVERALL | | MAXIMUM OPERATING TEMP | 500.0 FAHRENHEIT SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | AIR FIRST RESPONSE | | MEDIA FOR WHICH DESIGNED | FUEL/OIL, HYDROCARBON SECOND RESPONSE | | MOUNTING POSITION | HORIZONTAL | | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.375 INCHES ALL ENDS | | NOMINAL THREAD SIZE | 0.562 INCHES ALL ENDS | | OPENING PRESSURE SETTING | 1.0 POUNDS PER SQUARE INCH | | SEAT ANGLE | 37.0 DEGREES ALL ENDS | | VALVE OPERATION METHOD | AUTOMATIC | | STYLE DESIGNATOR | STRAIGHT THRU | | SURFACE TREATMENT | ANODIZE | | THREAD CLASS | 3A ALL ENDS | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS |
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