NSN 4820-00-540-0344

Part Details | FLUID PRESSURE REGULATING VALVE

4820-00-540-0344 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: NAP781, 11479BD052A, MILV17848, 4820-00-540-0344, 00-540-0344, 4820005400344, 005400344

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JAN 01, 196300-540-034427565 ( 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 4820-00-540-0344
Part Number Cage Code Manufacturer
NAP78170667ATLAS VALVE CO
11479BD052A26505GROVE VALVE OPERATIONS
MILV1784881349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
Technical Data | NSN 4820-00-540-0344
Characteristic Specifications
BODY MATERIAL STEEL
TEMP RATING875.0 DEG FAHRENHEIT NOMINAL
MAXIMUM INLET PRESSURE RATING600.0 POUNDS PER SQUARE INCH
OUTLET PRESSURE RANGE+25.0 TO +550.0 POUNDS PER SQUARE INCH
FILTER NOT INCLUDED
SEAT MATERIAL COBALT ALLOY
STEM MATERIAL
FLOW CONTROL DEVICE MATERIAL COBALT ALLOY
END CONNECTION QUANTITY2
FIRST END CONNECTION TYPE RAISED FACE FLANGE
FIRST END STYLE DESIGNATOR RAISED
FIRST END FLANGE SHAPE STYLE ROUND W/ BOLT HOLES
FIRST END BOLT HOLE QUANTITY4
FIRST END FLANGE OUTSIDE DIAMETER4.625 INCHES NOMINAL
FIRST END BOLT HOLE DIAMETER0.688 INCHES NOMINAL
FIRST END BOLT CIRCLE DIAMETER3.250 INCHES NOMINAL
SECOND END RELATIONSHIP WITH FIRST END IDENTICAL
BODY STYLE STRAIGHT THRU
FACE TO FACE DISTANCE8.500 INCHES NOMINAL
MEDIA FOR WHICH DESIGNED STEAM
REGULATION TYPE MANUAL SINGLE STAGE
VALVE STEM DESIGN SINGLE SEAT
VALVE LOADING METHOD DOME
REMOTE ACTUATION METHOD DIAPHRAGM