NSN 4820-00-247-0643
Part Details | FLUID PRESSURE REGULATING VALVE
4820-00-247-0643 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: N256ALT2, DD445S4810230ALT2, DD445S4810-230ALT2, 4820-00-247-0643, 00-247-0643, 4820002470643, 002470643
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
48 | FEB 26, 1969 | 00-247-0643 | 27565 ( 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 4820-00-247-0643
Part Number | Cage Code | Manufacturer |
---|---|---|
N256ALT2 | 26505 | GROVE VALVE OPERATIONS |
DD445S4810-230ALT2 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
Technical Data | NSN 4820-00-247-0643
Characteristic | Specifications |
---|---|
BODY MATERIAL | BRONZE |
MAXIMUM INLET PRESSURE RATING | 165.0 POUNDS PER SQUARE INCH |
OUTLET PRESSURE RANGE | +35.0 TO +60.0 POUNDS PER SQUARE INCH |
FILTER | NOT INCLUDED |
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | AS DIFFERENTIATED BY SIZE 1-1/4 INCH AND INLET PRESSURE |
SEAT MATERIAL | STEEL, CORROSION RESISTING |
STEM MATERIAL | STEEL, CORROSION RESISTING |
FLOW CONTROL DEVICE | DISK, FLAT |
FLOW CONTROL DEVICE MATERIAL | STEEL, CORROSION RESISTING |
END CONNECTION QUANTITY | 2 |
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 QUANTITY | 5 |
FIRST END FLANGE OUTSIDE DIAMETER | 5.375 INCHES NOMINAL |
FIRST END FLANGE THICKNESS | 0.562 INCHES NOMINAL |
FIRST END BOLT HOLE DIAMETER | 0.687 INCHES NOMINAL |
FIRST END BOLT CIRCLE DIAMETER | 4.062 INCHES NOMINAL |
SECOND END RELATIONSHIP WITH FIRST END | IDENTICAL |
BODY STYLE | STRAIGHT THRU |
FACE TO FACE DISTANCE | 6.500 INCHES NOMINAL |
MEDIA FOR WHICH DESIGNED | STEAM |
RENEWABLE SEAT RING TYPE | F ANY ACCEPTABLE |
REGULATION TYPE | AUTOMATIC SINGLE STAGE |
VALVE STEM DESIGN | SINGLE SEAT |
VALVE LOADING METHOD | DOME |
REMOTE ACTUATION METHOD | DIAPHRAGM |