4820-00-472-4221 VALVE,CHECK Index 1620-00-472-4224 ARM ASSEMBLY,TORQUE,LANDING GEAR

National Stock Number:
4820-00-472-4223

Federal Supply Class:
4820

National Item Identification Number:
004724223

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:
1016087118876U S ARMY AVIATION AND MISSILE COMMAND
481 1-4D186768TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC BUSINESS UNIT


Techincal Specification:
CONNECTION TYPETHREADED EXTERNAL PIPE 2ND END
CONNECTION STYLEPLAIN, OPTIONAL END (PIPE) 1ST END
CONNECTION TYPETHREADED INTERNAL PIPE 1ST END
DISK LOADING METHODSPRING
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON SINGLE RESPONSE
NOMINAL THREAD SIZE0.250 INCHES 1ST END
NOMINAL THREAD SIZE0.250 INCHES 2ND END
NOMINAL PIPE SIZE ACCOMMODATED0.250 INCHES 1ST END
NOMINAL PIPE SIZE ACCOMMODATED0.250 INCHES 2ND END
SPECIAL FEATURESTHE END CONNECTION IDENTIFIED ABOVE AS THE SECOND END IS THE VALVE INLET
STYLE DESIGNATORSTRAIGHT THRU
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TY 1 MIL SPEC SINGLE TREATMENT RESPONSE
SURFACE TREATMENTANODIZE
THREAD DIRECTIONRIGHT-HAND 1ST END
THREAD DIRECTIONRIGHT-HAND 2ND END
THREAD QUANTITY PER INCH18 1ST END
THREAD QUANTITY PER INCH18 2ND END
THREAD SERIES DESIGNATORNPT 1ST END
THREAD SERIES DESIGNATORNPT 2ND END
VALVE OPERATION METHODAUTOMATIC


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