NSN 4820-00-181-8912

Part Details | FLUID PRESSURE REGULATING VALVE

4820-00-181-8912 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 1370, TYPE NE, NAP391CDS8, N498301.25IPS 25 TO 60PSI, N-498-30-1.25IPS 25 TO 60PSI, N498301.25IP, N-498-30-1.25IP, N498, N-498, MILV20420, MIL-V-20420, MILV2042, 40400901, 40400-901, 4040009 25T60PSI, 40400-09 25T60PSI, 4361 1 14IN 30, 4361 1 1/4IN 30, 30807268REVJ, 30807020, 4820-00-181-8912, 00-181-8912, 4820001818912, 001818912

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48OCT 24, 197000-181-891227565 ( VALVE, REGULATING, FLUID PRESSURE )
REFERENCE DRAWINGS & PICTURES

STRAIGHT THRU

STREAMLINED WITH ONE BRAZING RING

STREAMLINED WITH ONE BRAZING RING

STREAMLINED WITH ONE BRAZING RING

STREAMLINED WITH ONE BRAZING RING

Cross Reference | NSN 4820-00-181-8912
Part Number Cage Code Manufacturer
ASTM F 137081346AMERICAN SOCIETY FOR TESTING ANDMATERIALS
TYPE NE70667ATLAS VALVE CO
NAP391CDS870667ATLAS VALVE CO
N-498-30-1.25IPS 25 TO 60PSI35795LESLIE CONTROLS, INC.
N-498-30-1.25IP35795LESLIE CONTROLS, INC.
N-49835795LESLIE CONTROLS, INC.
MIL-V-2042081349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
MILV204281349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
40400-90155378TRAC REGULATORS INC
40400-09 25T60PSI55378TRAC REGULATORS INC
4361 1 1/4IN 3003847WARREN CONTROLS, INC.
30807268REVJ03847WARREN CONTROLS, INC.
3080702003847WARREN CONTROLS, INC.
Technical Data | NSN 4820-00-181-8912
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
SPECIAL FEATURESENDS W/O BRAZING RINGS INSTALLED
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
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 UNTHREADED INTERNAL PIPE
FIRST END STYLE DESIGNATOR STREAMLINED WITH ONE BRAZING RING
FIRST END NOMINAL PIPE SIZE ACCOMMODATED1.250 INCHES
SECOND END RELATIONSHIP WITH FIRST END IDENTICAL
BODY STYLE STRAIGHT THRU
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