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


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