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) |
---|---|---|---|
48 | OCT 24, 1970 | 00-181-8912 | 27565 ( 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 1370 | 81346 | AMERICAN SOCIETY FOR TESTING ANDMATERIALS |
TYPE NE | 70667 | ATLAS VALVE CO |
NAP391CDS8 | 70667 | ATLAS VALVE CO |
N-498-30-1.25IPS 25 TO 60PSI | 35795 | LESLIE CONTROLS, INC. |
N-498-30-1.25IP | 35795 | LESLIE CONTROLS, INC. |
N-498 | 35795 | LESLIE CONTROLS, INC. |
MIL-V-20420 | 81349 | MILITARY SPECIFICATIONSPROMULGATED BY MILITARY |
MILV2042 | 81349 | MILITARY SPECIFICATIONSPROMULGATED BY MILITARY |
40400-901 | 55378 | TRAC REGULATORS INC |
40400-09 25T60PSI | 55378 | TRAC REGULATORS INC |
4361 1 1/4IN 30 | 03847 | WARREN CONTROLS, INC. |
30807268REVJ | 03847 | WARREN CONTROLS, INC. |
30807020 | 03847 | WARREN CONTROLS, INC. |
Technical Data | NSN 4820-00-181-8912
Characteristic | Specifications |
---|---|
BODY MATERIAL | |
TEMP RATING | 165.0 DEG FAHRENHEIT NOMINAL |
MAXIMUM INLET PRESSURE RATING | 150.0 POUNDS PER SQUARE INCH |
OUTLET PRESSURE RANGE | +25.0 TO +60.0 POUNDS PER SQUARE INCH |
FILTER | NOT INCLUDED |
SPECIAL FEATURES | ENDS W/O BRAZING RINGS INSTALLED |
TEST DATA DOCUMENT | 81349-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 FEATURES | HIGH-IMPACT SHOCK TESTS ARE REQUIRED AS DIRECTED IN PARAGRAPHS 3.6 AND 4.4.2.3 OF MIL-V-2042 |
NONDEFINITIVE SPEC/STD DATA | 2 TYPE |
SEAT MATERIAL | |
STEM MATERIAL | |
PACKING MATERIAL | |
FLOW CONTROL DEVICE | DIAPHRAGM |
FLOW CONTROL DEVICE MATERIAL | |
END CONNECTION QUANTITY | 2 |
FIRST END CONNECTION TYPE | UNTHREADED INTERNAL PIPE |
FIRST END STYLE DESIGNATOR | STREAMLINED WITH ONE BRAZING RING |
FIRST END NOMINAL PIPE SIZE ACCOMMODATED | 1.250 INCHES |
SECOND END RELATIONSHIP WITH FIRST END | IDENTICAL |
BODY STYLE | STRAIGHT THRU |
MEDIA FOR WHICH DESIGNED | WATER, FRESH AND WATER, SALT |
RENEWABLE SEAT RING TYPE | E ANY ACCEPTABLE |
REGULATION TYPE | AUTOMATIC DOUBLE STAGE |
VALVE STEM DESIGN | SINGLE SEAT |
VALVE LOADING METHOD | SPRING |