NSN 4820-00-181-8934

Part Details | FLUID PRESSURE REGULATING VALVE

4820-00-181-8934 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: ASTM F 13702GF1B, ASTM F 1370-2GF1B, ASTM F 1370, MILV2042, 4820-00-181-8934, 00-181-8934, 4820001818934, 001818934

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48OCT 19, 197000-181-893427565 ( 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 4820-00-181-8934
Part Number Cage Code Manufacturer
ASTM F 1370-2GF1B81346AMERICAN SOCIETY FOR TESTING ANDMATERIALS
ASTM F 137081346AMERICAN SOCIETY FOR TESTING ANDMATERIALS
MILV204281349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
Technical Data | NSN 4820-00-181-8934
Characteristic Specifications
BODY MATERIAL
TEMP RATING165.0 DEG FAHRENHEIT NOMINAL
MAXIMUM INLET PRESSURE RATING150.0 POUNDS PER SQUARE INCH
OUTLET PRESSURE RANGE+25.0 TO +60.0 POUNDS PER SQUARE INCH
FILTER NOT INCLUDED
TEST DATA DOCUMENT81349-MILV2042 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
SPECIAL TEST FEATURESHIGH-IMPACT SHOCK TESTS ARE REQUIRED AS DIRECTED IN PARAGRAPHS 3.6 AND 4.4.2.3 OF MIL-V-2042 IN PAC TEST ABOVE
NONDEFINITIVE SPEC/STD DATA2 TYPE
SEAT MATERIAL
STEM MATERIAL
PACKING MATERIAL
FLOW CONTROL DEVICE DIAPHRAGM
FLOW CONTROL DEVICE MATERIAL
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 DIAMETER5.063 INCHES NOMINAL
FIRST END FLANGE THICKNESS0.438 INCHES NOMINAL
FIRST END BOLT HOLE DIAMETER0.563 INCHES NOMINAL
FIRST END BOLT CIRCLE DIAMETER3.938 INCHES NOMINAL
SECOND END RELATIONSHIP WITH FIRST END IDENTICAL
BODY STYLE STRAIGHT THRU
FACE TO FACE DISTANCE8.750 INCHES NOMINAL
MEDIA FOR WHICH DESIGNED WATER, FRESH AND WATER, SALT
RENEWABLE SEAT RING TYPEE ANY ACCEPTABLE
REGULATION TYPE AUTOMATIC DOUBLE STAGE
VALVE STEM DESIGN SINGLE SEAT
VALVE LOADING METHOD SPRING