4730-00-272-2253 FLANGE,PIPE Index 4820-00-272-2256 VALVE,RESTRICTOR CHECK

National Stock Number:
4820-00-272-2254

Federal Supply Class:
4820

National Item Identification Number:
002722254

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:
73352611449TURBO POWER & MARINE SYSTEM INC SUB OF UNITED TECHNOLOGIES CORP
73352631340ENJET AERO BLOOMFIELD, LLC
73352677445RTX CORPORATION


Techincal Specification:
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
CONNECTION STYLEFLARED (TUBE) FIRST END
CONNECTION TYPETHREADED EXTERNAL BOSS SECOND END
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEPOPPET
OPERATING PRESSURE270.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MATERIALALUMINUM OR ALUMINUM ALLOY SEAT
MATERIALALUMINUM ALLOY OR ALUMINUM FLOW CONTROL DEVICE
MATERIALALUMINUM ALLOY BODY
MAXIMUM OPERATING TEMP85.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON FIRST RESPONSE
MEDIA FOR WHICH DESIGNEDOIL SECOND RESPONSE
MOUNTING POSITIONHORIZONTAL OR VERTICAL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.375 INCHES ALL ENDS
NOMINAL THREAD SIZE0.562 INCHES ALL ENDS
SEAT ANGLE37.0 DEGREES FIRST END
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU
SURFACE TREATMENTANODIZE
THREAD CLASS1B ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATORUNF ALL ENDS
THREAD QUANTITY PER INCH18 ALL ENDS


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