2915-00-639-9122 PUMP,SUBMERGED,AIRCRAFT Index 4820-00-639-9133 VALVE,CHECK

National Stock Number:
4820-00-639-9127

Federal Supply Class:
4820

National Item Identification Number:
006399127

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.


Manufacturer Information:
265280PC4010001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
265280PC4053711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
CONNECTION TYPETHREADED EXTERNAL PIPE 2ND END
CONNECTION TYPETHREADED EXTERNAL TUBE 1ST END
CONNECTION STYLEFLARED (TUBE) 1ST END
CONNECTION STYLEPLAIN (PIPE) 2ND END
FLOW CONTROL DEVICEBALL
MATERIALALUMINUM ALLOY BODY
MATERIALALUMINUM ALLOY SEAT
MATERIALSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
MOUNTING POSITIONHORIZONTAL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.405 INCHES 1ST END
NOMINAL PIPE SIZE ACCOMMODATED0.250 INCHES 2ND END
NOMINAL THREAD SIZE0.562 INCHES 1ST END
NOMINAL THREAD SIZE0.250 INCHES 2ND END
RENEWABLE SEAT RING TYPETHREADED
SEAT ANGLE30.0 DEGREES 1ST END
STYLE DESIGNATORSTRAIGHT THRU
THREAD CLASS3A 1ST END
THREAD DIRECTIONRIGHT-HAND 1ST END
THREAD DIRECTIONRIGHT-HAND 2ND END
THREAD QUANTITY PER INCH18 2ND END
THREAD QUANTITY PER INCH20 1ST END
THREAD SERIES DESIGNATORNPT 1ST END
THREAD SERIES DESIGNATORNPT 2ND END
VALVE OPERATION METHODAUTOMATIC


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