4820-01-339-8489 VALVE,CHECK Index 4810-01-339-8491 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-339-8490

Federal Supply Class:
4820

National Item Identification Number:
013398490

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:
SS70-912Y-6J78286SIKORSKY AIRCRAFT CORPORATION


Techincal Specification:
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
CONNECTION STYLEFLARELESS ALL ENDS
FLOW CONTROL DEVICEDISK
MATERIALSTEEL COMP 304 BODY
MOUNTING POSITIONHORIZONTAL
NOMINAL THREAD SIZE0.562 INCHES ALL ENDS
SEAT ANGLE12.0 DEGREES ALL ENDS
STYLE DESIGNATORTEE
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD CLASS3A ALL ENDS
THREAD SERIES DESIGNATORUNJ ALL ENDS
THREAD QUANTITY PER INCH18 ALL ENDS
VALVE OPERATION METHODAUTOMATIC


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