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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:
MATERIAL | ALUMINUM ALLOY OVERALL | SURFACE TREATMENT | ANODIZE | STYLE DESIGNATOR | STRAIGHT THRU | FLOW CONTROL DEVICE | POPPET | MEDIA FOR WHICH DESIGNED | AIR 1ST RESPONSE | | FUEL/OIL, HYDROCARBON 2ND RESPONSE | MAXIMUM OPERATING PRESSURE | 225.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | MAXIMUM OPERATING TEMP | 500.0 DEG FAHRENHEIT SINGLE RESPONSE | VALVE OPERATION METHOD | AUTOMATIC | CONNECTION TYPE | THREADED EXTERNAL TUBE ALL ENDS | CONNECTION STYLE | FLARED (TUBE) ALL ENDS | SEAT ANGLE | 37.0 DEGREES ALL ENDS | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.375 INCHES ALL ENDS | THREAD SERIES DESIGNATOR | UNJF ALL ENDS | NOMINAL THREAD SIZE | 0.562 INCHES ALL ENDS | THREAD CLASS | 3A ALL ENDS | THREAD DIRECTION | RIGHT-HAND ALL ENDS | MOUNTING POSITION | HORIZONTAL | DISK LOADING METHOD | SPRING | OPENING PRESSURE SETTING | 1.0 POUNDS PER SQUARE INCH |
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