4820-00-155-5671 VALVE,SAFETY RELIEF Index 4720-00-155-5673 HOSE ASSEMBLY,NONMETALLIC

National Stock Number:
4820-00-155-5672

Federal Supply Class:
4820

National Item Identification Number:
001555672

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:
2-43923-1306239AUSCO INC
2-43923-130JRC1NORTHROP GRUMMAN TECHNICAL SERVICES, INC.
2-43923-1376823NORTHROP GRUMMAN SYSTEMS CORPORATION
2-43923-1379U29NORTHROP GRUMMAN SYSTEMS CORPORATION
2C964099240CRISSAIR INC
A153050276PREECE INC DECCA VALVES DIV
M4014-6-406239AUSCO INC


Techincal Specification:
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
CONNECTION STYLEFLARELESS ALL ENDS
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEPOPPET
MATERIALSTEEL COMP 303 BODY
MATERIALSTEEL COMP 303 SEAT
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
MINIMUM OPERATING TEMP-65.0 FAHRENHEIT
MOUNTING POSITIONHORIZONTAL OR VERTICAL
NOMINAL THREAD SIZE0.438 INCHES 2ND END
NOMINAL THREAD SIZE0.562 INCHES 1ST END
SEAT ANGLE12.0 DEGREES ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE
SURFACE TREATMENTPASSIVATE
THREAD CLASS3A ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATORUNF ALL ENDS
VALVE OPERATION METHODAUTOMATIC


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