4820-00-139-7699 VALVE,SAFETY RELIEF Index 3020-00-139-7701 GEAR,SPUR

National Stock Number:
4820-00-139-7700

Federal Supply Class:
4820

National Item Identification Number:
001397700

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:
2C9146-299240CRISSAIR INC


Techincal Specification:
CONNECTION STYLEGASKET SEAL (BOSS) 1ST END
CONNECTION TYPETHREADED INTERNAL BOSS 1ST END
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEPOPPET
MATERIALALUMINUM ALLOY 2024 BODY
MATERIALALUMINUM ALLOY 2024 SEAT
MATERIALSTEEL COMP 303 BODY LINING
MATERIALSTEEL COMP 440C FLOW CONTROL DEVICE
MAXIMUM OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP275.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDHYDRAULIC FLUID, PETROLEUM BASE SINGLE RESPONSE
MOUNTING POSITIONHORIZONTAL OR VERTICAL
NOMINAL THREAD SIZE0.438 INCHES 1ST END
SPECIAL FEATURESCONNECTION ENDS PARALLEL AND PERPENDICULAR TO FLUID FLOW
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE
SURFACE TREATMENTANODIZE
THREAD CLASS3B 1ST END
THREAD DIRECTIONRIGHT-HAND 1ST END
THREAD SERIES DESIGNATORUNF 1ST END


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