4820-01-021-8370 VALVE,CHECK Index 4820-01-021-8372 VALVE,CHECK

National Stock Number:
4820-01-021-8371

Federal Supply Class:
4820

National Item Identification Number:
010218371

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:
4C2856-199240CRISSAIR INC
A15HS017-277272THE BOEING COMPANY


Techincal Specification:
CONNECTION STYLEFLARELESS SECOND END
CONNECTION STYLEFLARELESS FIRST END
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
CONNECTION TYPETHREADED EXTERNAL TUBE SECOND END
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEPOPPET
MATERIALSTEEL CORROSION RESISTING OVERALL
MOUNTING POSITIONHORIZONTAL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES SECOND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.375 INCHES FIRST END
SEAT ANGLE12.0 DEGREES FIRST END
SEAT ANGLE12.0 DEGREES SECOND END
STYLE DESIGNATORSTRAIGHT THRU
SURFACE TREATMENTPASSIVATE
THREAD CLASS3A FIRST END
THREAD CLASS3A SECOND END
THREAD DIRECTIONRIGHT-HAND FIRST END
THREAD DIRECTIONRIGHT-HAND SECOND END


Click here to Register for Free 30-day Trial