5360-00-957-6747 SPRING,HELICAL,COMPRESSION Index 5985-00-957-6753 ATTENUATOR,VARIABLE

National Stock Number:
4820-00-957-6749

Federal Supply Class:
4820

National Item Identification Number:
009576749

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:
10384329A486GNIMIKKEISTOKESKUS NCB FINLAND
369A832602731MCDONNELL DOUGLAS HELICOPTER CO INC
8C16382829ALLEN AIRCRAFT PRODUCTS INC
369A83268V613THE BOEING COMPANY
3C429699240CRISSAIR INC


Techincal Specification:
CONNECTION TYPETHREADED EXTERNAL TUBE 1ST END
CONNECTION STYLEFLARED (TUBE) 1ST END
CONNECTION STYLEGASKET SEAL (BOSS) 2ND END
CONNECTION TYPETHREADED INTERNAL BOSS 2ND END
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEPOPPET
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.500 INCHES 1ST END
NOMINAL PIPE SIZE ACCOMMODATED0.500 INCHES 2ND END
NOMINAL THREAD SIZE0.750 INCHES 2ND END
NOMINAL THREAD SIZE0.750 INCHES 1ST END
RENEWABLE SEAT RING TYPEPRESSED-IN
SEAT ANGLE37.0 DEGREES 1ST END
SEAT ANGLE45.0 DEGREES 2ND END
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE
SURFACE TREATMENTANODIZE
THREAD CLASS3A 1ST END
THREAD CLASS3B 2ND END
THREAD DIRECTIONRIGHT-HAND 1ST END
THREAD DIRECTIONRIGHT-HAND 2ND END
THREAD SERIES DESIGNATORUNF 1ST END
THREAD SERIES DESIGNATORUNF 2ND END
THREAD QUANTITY PER INCH16 2ND END
THREAD QUANTITY PER INCH16 1ST END


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