4820-00-816-4488 VALVE,SAFETY RELIEF Index 6685-00-816-4490 GAGE,PRESSURE,DIAL INDICATING

National Stock Number:
4820-00-816-4489

Federal Supply Class:
4820

National Item Identification Number:
008164489

Description:
VALVE,REGULATING,FLUID PRESSURE

Detail:
A valve designed to automatically maintain within close limits a predetermined outlet pressure which may be adjustable within a specified range regardless of the higher fluctuating or constant inlet pressure. It is designed for use with compressed gas(es) and various liquids and may include gauges. It may be inline or cartridge (manifold) design. Excludes REGULATOR, PRESSURE, MEDICAL GAS ADMINISTRATION APPARATUS; REGULATOR, OXYGEN, BAROMETRIC CONTINUOUS FLOW; REGULATOR, OXYGEN DEMAND; REGULATOR, OXYGEN DILUTER DEMAND; and valve(1), fluid pressure regulating, aircraft.


Manufacturer Information:
10109264A486GNIMIKKEISTOKESKUS NCB FINLAND
140090-405167MEGGITT SAFETY SYSTEMS INC
4729-1-00014923ACC PARTNERS INC
140090-445402MEGGITT SAFETY SYSTEMS, INC.
140090-476301THE BOEING COMPANY
32-83244-176301THE BOEING COMPANY
4729-1-0001DRT7CIRCOR AEROSPACE INC
6445-1-0001DRT7CIRCOR AEROSPACE INC
M9108DCD0016L817NATIONAL MACHINE COMPANY


Techincal Specification:
MAXIMUM INLET PRESSURE RATING250.0 POUNDS PER SQUARE INCH
FILTERNOT INCLUDED
END CONNECTION QUANTITY3
BODY STYLETEE
MATERIALALUMINUM ALLOY BODY
OUTLET PRESSURE SETTING20.0 POUNDS PER SQUARE INCH
SEAT MATERIALSTEEL
FLOW CONTROL DEVICEDISK
FLOW CONTROL DEVICE MATERIALSTEEL
OUTSIDE SURFACE TREATMENTPAINTED
FIRST END CONNECTION TYPETHREADED EXTERNAL TUBE
FIRST END STYLE DESIGNATORFLARED
FIRST END OUTSIDE DIAMETER TUBE ACCOMMODATED0.188 INCHES NOMINAL
FIRST END THREAD SIZE AND SERIES/TYPE DESIGNATOR3/8-24 UNF
FIRST END THREAD CLASS2A
FIRST END THREAD DIRECTIONRIGHT-HAND
FIRST END SEAT ANGLE IN DEG37.0
SECOND END RELATIONSHIP WITH FIRST ENDNOT IDENTICAL
SECOND END CONNECTION TYPEUNTHREADED EXTERNAL HOSE
SECOND END STYLE DESIGNATORBEADED
SECOND END OUTSIDE DIAMETER HOSE ACCOMMODATED0.250 INCHES NOMINAL
THIRD END RELATIONSHIP WITH PRECEDING ENDSNOT IDENTICAL WITH FIRST OR SECOND END
MEDIA FOR WHICH DESIGNEDAIR
MOUNTING FACILITYBRACKET
REGULATION TYPEAUTOMATIC SINGLE STAGE
VALVE LOADING METHODSPRING


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