4820-01-304-8224 VALVE,GLOBE Index 4820-01-304-8226 VALVE,CHECK

National Stock Number:
4820-01-304-8225

Federal Supply Class:
4820

National Item Identification Number:
013048225

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:
SS7078286SIKORSKY AIRCRAFT CORPORATION
SS70-916L-6-4J78286SIKORSKY AIRCRAFT CORPORATION


Techincal Specification:
CONNECTION STYLEFLARELESS ALL ENDS
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 304 OVERALL
MAXIMUM OPERATING TEMP380.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON SINGLE RESPONSE
NOMINAL THREAD SIZE0.438 INCHES SECOND END
NOMINAL THREAD SIZE0.562 INCHES FIRST END
OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
SEAT ANGLE12.0 DEGREES ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU
SUPPLEMENTARY FEATURESFLOW CONTROL DEVICE: DIAPHRAGM
SURFACE TREATMENTPASSIVATE
THREAD CLASS3A ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS


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