4820-00-142-2977 VALVE,CHECK Index 4820-00-142-2979 VALVE,CHECK

National Stock Number:
4820-00-142-2978

Federal Supply Class:
4820

National Item Identification Number:
001422978

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:
859A6BB91816CIRCOR AEROSPACE, INC.


Techincal Specification:
MATERIALALUMINUM ALLOY 2024 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6,ALLOY 2024,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
STYLE DESIGNATORSTRAIGHT THRU
FLOW CONTROL DEVICEPOPPET
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE600.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP-65.0 DEG FAHRENHEIT 1ST RESPONSE
160.0 DEG FAHRENHEIT 2ND RESPONSE
VALVE OPERATION METHODAUTOMATIC
CONNECTION TYPETHREADED INTERNAL BOSS ALL ENDS
CONNECTION STYLEGASKET SEAL (BOSS) ALL ENDS
THREAD SERIES DESIGNATORUNF ALL ENDS
NOMINAL THREAD SIZE0.562 INCHES ALL ENDS
THREAD CLASS3B ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
MOUNTING POSITIONHORIZONTAL
DISK LOADING METHODSPRING


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