4140-00-720-4977 FAN,VANEAXIAL Index 4330-00-720-4979 FILTER ELEMENT,FLUID

National Stock Number:
4820-00-720-4978

Federal Supply Class:
4820

National Item Identification Number:
007204978

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:
879A6TT91816CIRCOR AEROSPACE, INC.
879A6TT891816CIRCOR AEROSPACE, INC.
901969318876U S ARMY AVIATION AND MISSILE COMMAND


Techincal Specification:
CONNECTION STYLEFLARED (TUBE) ALL ENDS
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEPOPPET
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-P-5516 MIL SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIALALUMINUM ALLOY 2024 BODY
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT
MAXIMUM OPERATING PRESSURE600.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP200.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDAIR 1ST RESPONSE
MEDIA FOR WHICH DESIGNEDCARBON DIOXIDE 2ND RESPONSE
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON 4TH RESPONSE
MEDIA FOR WHICH DESIGNEDHELIUM 3RD RESPONSE
MEDIA FOR WHICH DESIGNEDHYDROGEN 5TH RESPONSE
MOUNTING POSITIONHORIZONTAL OR VERTICAL
NOMINAL THREAD SIZE0.562 INCHES ALL ENDS
OPENING PRESSURE SETTING8.0 POUNDS PER SQUARE INCH
SEAT ANGLE37.0 DEGREES ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU
THREAD CLASS3A ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATORUNJF ALL ENDS
VALVE OPERATION METHODAUTOMATIC


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