NSN 4820-01-203-5448

Part Details | FLUID PRESSURE REGULATING VALVE

4820-01-203-5448 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: 30 N581 25T60PS, 30 N581 25TO60PSI, 30 N581 25TO60P, YB2310J722, N581, N-581, 1146F208T.275IN, 1146F208T-.275IN, 4820-01-203-5448, 01-203-5448, 4820012035448, 012035448

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48MAR 15, 198501-203-544827565 ( VALVE, REGULATING, FLUID PRESSURE )
REFERENCE DRAWINGS & PICTURES

STRAIGHT THRU

PLAIN

ROUND W/ BOLT HOLES

PLAIN

ROUND W/ BOLT HOLES

PLAIN

ROUND W/ BOLT HOLES

PLAIN

Cross Reference | NSN 4820-01-203-5448
Part Number Cage Code Manufacturer
30 N581 25T60PS35795LESLIE CONTROLS, INC.
30 N581 25TO60PSI35795LESLIE CONTROLS, INC.
30 N581 25TO60P35795LESLIE CONTROLS, INC.
YB2310J72235795LESLIE CONTROLS, INC.
N-58135795LESLIE CONTROLS, INC.
1146F208T-.275IN76364MILWAUKEE VALVE COMPANY, INC.DBA HAMMOND
Technical Data | NSN 4820-01-203-5448
Characteristic Specifications
BODY MATERIAL COPPER ALLOY
MAXIMUM INLET PRESSURE RATING375.0 POUNDS PER SQUARE INCH
FILTER NOT INCLUDED
SEAT MATERIAL RUBBER, CHLOROPRENE
STEM MATERIAL NICKEL COPPER ALLOY
FLOW CONTROL DEVICE DISK
FLOW CONTROL DEVICE MATERIAL RUBBER, CHLOROPRENE
END CONNECTION QUANTITY2
FIRST END CONNECTION TYPE PLAIN FACE FLANGE
FIRST END STYLE DESIGNATOR PLAIN
FIRST END FLANGE SHAPE STYLE ROUND W/ BOLT HOLES
FIRST END BOLT HOLE QUANTITY6
FIRST END FLANGE OUTSIDE DIAMETER6.125 INCHES NOMINAL
FIRST END FLANGE THICKNESS0.250 INCHES NOMINAL
FIRST END BOLT HOLE DIAMETER0.688 INCHES NOMINAL
FIRST END BOLT CIRCLE DIAMETER5.000 INCHES NOMINAL
SECOND END RELATIONSHIP WITH FIRST END IDENTICAL
BODY STYLE STRAIGHT THRU
FACE TO FACE DISTANCE11.750 INCHES NOMINAL
REGULATION TYPE AUTOMATIC SINGLE STAGE
VALVE LOADING METHOD SPRING