6620-00-123-4229 HOUSING,INDICATOR Index 1560-00-123-4231 DOOR,ACCESS,AIRCRAFT

National Stock Number:
4820-00-123-4230

Federal Supply Class:
4820

National Item Identification Number:
001234230

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:
294A-4TT-0.591816CIRCOR AEROSPACE, INC.
294A-FTT-0.571816SOUTHPORT INDUSTRIES INC.
3276524235WILLIAMS INTERNATIONAL CO., L.L.C.
58555-577646NORTHROP GRUMMAN SYSTEMS CORPORATION
3C2196-599240CRISSAIR INC
3C2196-799240CRISSAIR INC


Techincal Specification:
MATERIALALUMINUM ALLOY OVERALL
SURFACE TREATMENTANODIZE
STYLE DESIGNATORSTRAIGHT THRU
FLOW CONTROL DEVICEPOPPET
MEDIA FOR WHICH DESIGNEDAIR SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE80.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP500.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHODAUTOMATIC
CONNECTION TYPETHREADED EXTERNAL TUBE 1ST END
CONNECTION STYLEFLARED (TUBE) 1ST END
SEAT ANGLE37.0 DEGREES 1ST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES 1ST END
THREAD SERIES DESIGNATORUNF 1ST END
NOMINAL THREAD SIZE0.438 INCHES 1ST END
THREAD CLASS3A 1ST END
THREAD DIRECTIONRIGHT-HAND 1ST END
MOUNTING POSITIONHORIZONTAL OR
VERTICAL
DISK LOADING METHODSPRING
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE77646
MFR SOURCE CONTROLLING REFERENCE58555-5


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