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
OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
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
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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