NSN 4820-01-250-7178

Part Details | FLUID PRESSURE REGULATING VALVE

4820-01-250-7178 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: 40555, 4820-01-250-7178, 01-250-7178, 4820012507178, 012507178

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48MAR 06, 198701-250-717827565 ( 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 4820-01-250-7178
Part Number Cage Code Manufacturer
4055555378TRAC REGULATORS INC
Technical Data | NSN 4820-01-250-7178
Characteristic Specifications
BODY MATERIAL BRONZE, MIL-B-16541
FILTER NOT INCLUDED
SEAT MATERIAL NICKEL COPPER ALLOY, QQ-N-288
STEM MATERIAL NICKEL COPPER ALLOY, QQ-N-281
FLOW CONTROL DEVICE DISK
FLOW CONTROL DEVICE MATERIAL NICKEL COPPER ALLOY, QQ-N-288
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 QUANTITY4
FIRST END FLANGE OUTSIDE DIAMETER3.500 INCHES NOMINAL
FIRST END FLANGE THICKNESS0.312 INCHES NOMINAL
FIRST END BOLT HOLE DIAMETER0.625 INCHES NOMINAL
FIRST END BOLT CIRCLE DIAMETER2.375 INCHES NOMINAL
SECOND END RELATIONSHIP WITH FIRST END IDENTICAL
BODY STYLE STRAIGHT THRU
FACE TO FACE DISTANCE6.562 INCHES NOMINAL
MEDIA FOR WHICH DESIGNED WATER, FRESH
REGULATION TYPE MANUAL SINGLE STAGE
MANUAL CONTROL METHOD WHEEL
VALVE LOADING METHOD SPRING