NSN 4820-00-256-5198

Part Details | FLUID PRESSURE REGULATING VALVE

4820-00-256-5198 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: 1250, 4820-00-256-5198, 00-256-5198, 4820002565198, 002565198

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48MAR 24, 197100-256-519827565 ( VALVE, REGULATING, FLUID PRESSURE )
REFERENCE DRAWINGS & PICTURES

STRAIGHT THRU

RAISED

ROUND W/ BOLT HOLES

RAISED

ROUND W/ BOLT HOLES

RAISED

ROUND W/ BOLT HOLES

Cross Reference | NSN 4820-00-256-5198
Part Number Cage Code Manufacturer
125033547KIELEY AND MUELLER INCSUB OF JOHNSON CONTROLS INC
Technical Data | NSN 4820-00-256-5198
Characteristic Specifications
BODY MATERIAL STEEL, CARBON
MAXIMUM INLET PRESSURE RATING250.0 POUNDS PER SQUARE INCH
OUTLET PRESSURE SETTING150.0 POUNDS PER SQUARE INCH
FILTER INCLUDED
SEAT MATERIAL STEEL, CORROSION RESISTING
STEM MATERIAL STEEL, CORROSION RESISTING
PACKING MATERIAL ASBESTOS AND PLASTIC
FLOW CONTROL DEVICE DISK, PLUG TYPE
FLOW CONTROL DEVICE MATERIAL PLASTIC, TETRAFLUOROETHYLENE
END CONNECTION QUANTITY2
FIRST END CONNECTION TYPE RAISED FACE FLANGE
FIRST END STYLE DESIGNATOR RAISED
FIRST END RAISED FACE HEIGHT0.062 INCHES NOMINAL
FIRST END RAISED FACE DIAMETER1.375 INCHES NOMINAL
FIRST END FLANGE SHAPE STYLE ROUND W/ BOLT HOLES
FIRST END BOLT HOLE QUANTITY4
FIRST END FLANGE OUTSIDE DIAMETER3.750 INCHES NOMINAL
FIRST END BOLT HOLE DIAMETER0.625 INCHES NOMINAL
FIRST END BOLT CIRCLE DIAMETER2.625 INCHES NOMINAL
SECOND END RELATIONSHIP WITH FIRST END IDENTICAL
BODY STYLE STRAIGHT THRU
FACE TO FACE DISTANCE7.500 INCHES NOMINAL
RENEWABLE SEAT RING TYPEE ANY ACCEPTABLE
REGULATION TYPE AUTOMATIC SINGLE STAGE
VALVE STEM DESIGN SINGLE SEAT
VALVE LOADING METHOD SPRING
REMOTE ACTUATION METHOD DIAPHRAGM