NSN 4820-00-905-3421

Part Details | FLUID PRESSURE REGULATING VALVE

4820-00-905-3421 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: TYPEE, 4820-00-905-3421, 00-905-3421, 4820009053421, 009053421

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JAN 01, 196000-905-342127565 ( 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 4820-00-905-3421
Part Number Cage Code Manufacturer
TYPEE82483SPENCE ENGINEERING CO INCDBA NICHOLSON STEAM TRAP
Technical Data | NSN 4820-00-905-3421
Characteristic Specifications
BODY MATERIAL IRON, CAST
TEMP RATING450.0 DEG FAHRENHEIT NOMINAL
MAXIMUM INLET PRESSURE RATING250.0 POUNDS PER SQUARE INCH
OUTLET PRESSURE RANGE+10.0 TO +187.0 POUNDS PER SQUARE INCH
FILTER NOT INCLUDED
SPECIAL FEATURES6 IN.NOM SIZE
SEAT MATERIAL STEEL, CORROSION RESISTING
STEM MATERIAL STEEL, CORROSION RESISTING
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 QUANTITY12
FIRST END FLANGE OUTSIDE DIAMETER12.500 INCHES NOMINAL
FIRST END BOLT HOLE DIAMETER0.875 INCHES NOMINAL
FIRST END BOLT CIRCLE DIAMETER10.625 INCHES NOMINAL
SECOND END RELATIONSHIP WITH FIRST END IDENTICAL
BODY STYLE STRAIGHT THRU
FACE TO FACE DISTANCE16.000 INCHES NOMINAL
RENEWABLE SEAT RING TYPEE ANY ACCEPTABLE
REGULATION TYPE AUTOMATIC SINGLE STAGE
VALVE LOADING METHOD SPRING