4320-00-904-2298 IMPELLER,PUMP,CENTRIFUGAL Index 5360-00-904-2303 SPRING,HELICAL,COMPRESSION

National Stock Number:
4820-00-904-2302

Federal Supply Class:
4820

National Item Identification Number:
009042302

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:
4820PL06549409009HINSPEKTORAT WSPARCIA SIL ZBROJNYCH
C222-281755LOCKHEED MARTIN CORPORATION
P42-31991816CIRCOR AEROSPACE, INC.


Techincal Specification:
MATERIALALUMINUM ALLOY 2024 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTANODIZE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TY 1 MIL SPEC SINGLE TREATMENT RESPONSE
STYLE DESIGNATORSTRAIGHT THRU
FLOW CONTROL DEVICEPOPPET
MEDIA FOR WHICH DESIGNEDAIR 1ST RESPONSE
ALCOHOL, ETHYL 2ND RESPONSE
MAXIMUM OPERATING PRESSURE100.0 POUNDS PER SQUARE INCH 1ST RESPONSE
100.0 POUNDS PER SQUARE INCH 2ND RESPONSE
MAXIMUM OPERATING TEMP-65.0 DEG FAHRENHEIT 1ST RESPONSE
260.0 DEG FAHRENHEIT 2ND RESPONSE
VALVE OPERATION METHODAUTOMATIC
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
CONNECTION STYLEFLARED (TUBE) ALL ENDS
SEAT ANGLE37.0 DEGREES ALL ENDS
THREAD SERIES DESIGNATORUNF ALL ENDS
NOMINAL THREAD SIZE0.437 INCHES 1ST END
0.375 INCHES 2ND END
THREAD CLASS3A ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
MOUNTING POSITIONHORIZONTAL OR
VERTICAL
DISK LOADING METHODSPRING
SPECIAL FEATURESTHE END CONNECTION IDENTIFIEDABOVE AS THE SECOND END IS THE VALVE INLET


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