NSN 4820-00-256-5198
Part Details | FLUID PRESSURE REGULATING VALVE
4820-00-256-5198 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: 1250, 4820-00-256-5198, 00-256-5198, 4820002565198, 002565198
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
48 | MAR 24, 1971 | 00-256-5198 | 27565 ( 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 4820-00-256-5198
Part Number | Cage Code | Manufacturer |
---|---|---|
1250 | 33547 | KIELEY AND MUELLER INCSUB OF JOHNSON CONTROLS INC |
Technical Data | NSN 4820-00-256-5198
Characteristic | Specifications |
---|---|
BODY MATERIAL | STEEL, CARBON |
MAXIMUM INLET PRESSURE RATING | 250.0 POUNDS PER SQUARE INCH |
OUTLET PRESSURE SETTING | 150.0 POUNDS PER SQUARE INCH |
FILTER | INCLUDED |
SEAT MATERIAL | STEEL, CORROSION RESISTING |
STEM MATERIAL | STEEL, CORROSION RESISTING |
PACKING MATERIAL | ASBESTOS AND PLASTIC |
FLOW CONTROL DEVICE | DISK, PLUG TYPE |
FLOW CONTROL DEVICE MATERIAL | PLASTIC, TETRAFLUOROETHYLENE |
END CONNECTION QUANTITY | 2 |
FIRST END CONNECTION TYPE | RAISED FACE FLANGE |
FIRST END STYLE DESIGNATOR | RAISED |
FIRST END RAISED FACE HEIGHT | 0.062 INCHES NOMINAL |
FIRST END RAISED FACE DIAMETER | 1.375 INCHES NOMINAL |
FIRST END FLANGE SHAPE STYLE | ROUND W/ BOLT HOLES |
FIRST END BOLT HOLE QUANTITY | 4 |
FIRST END FLANGE OUTSIDE DIAMETER | 3.750 INCHES NOMINAL |
FIRST END BOLT HOLE DIAMETER | 0.625 INCHES NOMINAL |
FIRST END BOLT CIRCLE DIAMETER | 2.625 INCHES NOMINAL |
SECOND END RELATIONSHIP WITH FIRST END | IDENTICAL |
BODY STYLE | STRAIGHT THRU |
FACE TO FACE DISTANCE | 7.500 INCHES NOMINAL |
RENEWABLE SEAT RING TYPE | E ANY ACCEPTABLE |
REGULATION TYPE | AUTOMATIC SINGLE STAGE |
VALVE STEM DESIGN | SINGLE SEAT |
VALVE LOADING METHOD | SPRING |
REMOTE ACTUATION METHOD | DIAPHRAGM |