4820-00-639-9127 VALVE,CHECK Index 4720-00-639-9149 HOSE ASSEMBLY,NONMETALLIC

National Stock Number:
4820-00-639-9133

Federal Supply Class:
4820

National Item Identification Number:
006399133

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:
10-243881205THE BOEING COMPANY
1111-5584583H889PARKER-HANNIFIN CORPORATION
1111-55845845681PARKER-HANNIFIN CORPORATION
1111-55845892003PARKER HANNIFIN CORPORATION DIV AEROSPACE GROUP HEADQUARTERS


Techincal Specification:
CONNECTION TYPETHREADED EXTERNAL TUBE 1ST END
CONNECTION STYLEFLARED (TUBE) 1ST END
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEDISK
MATERIALALUMINUM ALLOY BODY
MATERIALALUMINUM ALLOY SEAT
MATERIALSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
MAXIMUM OPERATING PRESSURE120.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON SINGLE RESPONSE
MOUNTING POSITIONHORIZONTAL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.500 INCHES 1ST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.750 INCHES 2ND END
NOMINAL THREAD SIZE0.750 INCHES 1ST END
NOMINAL THREAD SIZE1.062 INCHES 2ND END
SEAT ANGLE37.0 DEGREES ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU
SUPPLEMENTARY FEATURESAPPL TO ACFT,TYPE C-135
SURFACE TREATMENTANODIZE
THREAD CLASS3A ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD QUANTITY PER INCH12 2ND END
THREAD QUANTITY PER INCH16 1ST END
THREAD SERIES DESIGNATORUN 2ND END
THREAD SERIES DESIGNATORUNF 1ST END
VALVE OPERATION METHODAUTOMATIC


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