NSN 4820-00-288-6637

Part Details | FLUID PRESSURE REGULATING VALVE

4820-00-288-6637 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: MILV17848, 4820-00-288-6637, 00-288-6637, 4820002886637, 002886637

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JAN 01, 196300-288-663727565 ( 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 4820-00-288-6637
Part Number Cage Code Manufacturer
MILV1784881349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
Technical Data | NSN 4820-00-288-6637
Characteristic Specifications
BODY MATERIAL STEEL
TEMP RATING775.0 DEG FAHRENHEIT MAXIMUM
MAXIMUM INLET PRESSURE RATING600.0 POUNDS PER SQUARE INCH
OUTLET PRESSURE RANGE+40.0 TO +400.0 POUNDS PER SQUARE INCH
FILTER NOT INCLUDED
FURNISHED ITEMS INTERNAL PILOT VALVE
SPECIAL FEATURES1-1/2 IN. VALVE SIZE
NONDEFINITIVE SPEC/STD DATAC CLASS AND D COMPOSITION
SEAT MATERIAL COBALT ALLOY
FLOW CONTROL DEVICE DISK, FLAT, TOP AND BOTTOM GUIDED
FLOW CONTROL DEVICE MATERIAL STEEL, CORROSION RESISTING
END CONNECTION QUANTITY2
FIRST END CONNECTION TYPE RAISED FACE FLANGE
FIRST END STYLE DESIGNATOR RAISED
FIRST END RAISED FACE HEIGHT0.250 INCHES NOMINAL
FIRST END RAISED FACE DIAMETER2.875 INCHES NOMINAL
FIRST END FLANGE SHAPE STYLE ROUND W/ BOLT HOLES
FIRST END BOLT HOLE QUANTITY4
FIRST END FLANGE OUTSIDE DIAMETER6.125 INCHES NOMINAL
FIRST END FLANGE THICKNESS0.875 INCHES NOMINAL
FIRST END BOLT HOLE DIAMETER0.813 INCHES NOMINAL
FIRST END BOLT CIRCLE DIAMETER4.500 INCHES NOMINAL
SECOND END RELATIONSHIP WITH FIRST END IDENTICAL
BODY STYLE STRAIGHT THRU
FACE TO FACE DISTANCE9.500 INCHES NOMINAL
MEDIA FOR WHICH DESIGNED STEAM
REGULATION TYPE MANUAL SINGLE STAGE
MANUAL CONTROL METHOD WHEEL
VALVE STEM DESIGN SINGLE SEAT
VALVE LOADING METHOD SPRING