NSN 4820-00-051-8521

Part Details | FLUID PRESSURE REGULATING VALVE

4820-00-051-8521 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.

Alternate Parts: 2318608001, 2318608-001, 2318608, 4820-00-051-8521, 00-051-8521, 4820000518521, 000518521

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JAN 01, 196300-051-852127565 ( VALVE, REGULATING, FLUID PRESSURE )
REFERENCE DRAWINGS & PICTURES

STRAIGHT THRU

SWIVEL NUT, FLARE

SWIVEL NUT, FLARE

SWIVEL NUT, FLARE

SWIVEL NUT, FLARE

Cross Reference | NSN 4820-00-051-8521
Part Number Cage Code Manufacturer
2318608-00156232LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN
231860856232LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN
Technical Data | NSN 4820-00-051-8521
Characteristic Specifications
BODY MATERIAL STEEL, CORROSION RESISTING
TEMP RATING-65.0 DEG FAHRENHEIT MINIMUM AND 160.0 DEG FAHRENHEIT MAXIMUM
MAXIMUM INLET PRESSURE RATING60.0 POUNDS PER SQUARE INCH
OUTLET PRESSURE ACCURACY RATING0.500 POUNDS PER SQUARE INCH
FILTER NOT INCLUDED
SPECIAL FEATURESONE 7/16-20 THD HOLE FOR PRESSURE GAGE
SEAT MATERIAL STEEL, CORROSION RESISTING
STEM MATERIAL STEEL, CORROSION RESISTING
FLOW CONTROL DEVICE DISK, TOP GUIDED
FLOW CONTROL DEVICE MATERIAL STEEL, CORROSION RESISTING
OUTSIDE SURFACE TREATMENT
END CONNECTION QUANTITY2
FIRST END CONNECTION TYPE THREADED INTERNAL PIPE
FIRST END STYLE DESIGNATOR1 SWIVEL NUT, FLARE
FIRST END THREAD SIZE AND SERIES/TYPE DESIGNATOR1 TO 8-27 NPT
FIRST END THREAD DIRECTION RIGHT-HAND
SECOND END RELATIONSHIP WITH FIRST END IDENTICAL
BODY STYLE STRAIGHT THRU
REGULATION TYPE MANUAL SINGLE STAGE
MANUAL CONTROL METHOD SCREW
VALVE STEM DESIGN SINGLE SEAT
VALVE LOADING METHOD DOME