4820-01-128-2961 VALVE,CHECK Index 4820-01-128-2963 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-128-2962

Federal Supply Class:
4820

National Item Identification Number:
011282962

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:
10124580A486GNIMIKKEISTOKESKUS NCB FINLAND
4C2610-199240CRISSAIR INC
ST7M26076301THE BOEING COMPANY
ST7M260-1076301THE BOEING COMPANY


Techincal Specification:
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
CONNECTION STYLEPLAIN (TUBE) ALL ENDS
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEPOPPET
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5643 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIALSTEEL COMP 630 BODY
MATERIALSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
MATERIALSTEEL CORROSION RESISTING SEAT
MAXIMUM OPERATING TEMP450.0 FAHRENHEIT SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDHYDRAULIC FLUID, MINERAL BASE SINGLE RESPONSE
MOUNTING POSITIONHORIZONTAL OR VERTICAL
NOMINAL THREAD SIZE0.813 INCHES 2ND END
NOMINAL THREAD SIZE1.000 INCHES 1ST END
STYLE DESIGNATORSTRAIGHT THRU
SURFACE TREATMENTPASSIVATE
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD CLASS3A ALL ENDS
THREAD SERIES DESIGNATORUNJ 1ST END
THREAD SERIES DESIGNATORUNJEF 2ND END
THREAD QUANTITY PER INCH16 1ST END
VALVE OPERATION METHODAUTOMATIC


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