NSN 4820-00-181-8937
Part Details | FLUID PRESSURE REGULATING VALVE
4820-00-181-8937 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 F1370, ASTM F 1370 2KF1B, ASTM F1370 2K1B, MILV2042, 4820-00-181-8937, 00-181-8937, 4820001818937, 001818937
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | OCT 24, 1970 | 00-181-8937 | 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 4820-00-181-8937
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| ASTM F1370 | 81346 | AMERICAN SOCIETY FOR TESTING ANDMATERIALS |
| ASTM F 1370 2KF1B | 81346 | AMERICAN SOCIETY FOR TESTING ANDMATERIALS |
| ASTM F1370 2K1B | 81346 | AMERICAN SOCIETY FOR TESTING ANDMATERIALS |
| MILV2042 | 81349 | MILITARY SPECIFICATIONSPROMULGATED BY MILITARY |
Technical Data | NSN 4820-00-181-8937
| 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 |
| 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 TEST ARE REQUIRED AS DIRECTED IN PARAGRAPHS 3.6 AND 4.4.2.3 OF MIL-V-2042 IN PAC TEST ABOVE |
| 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 | PLAIN FACE FLANGE |
| FIRST END STYLE DESIGNATOR | PLAIN |
| FIRST END FLANGE SHAPE STYLE | ROUND W/ BOLT HOLES |
| FIRST END BOLT HOLE QUANTITY | 8 |
| FIRST END FLANGE OUTSIDE DIAMETER | 6.625 INCHES NOMINAL |
| FIRST END FLANGE THICKNESS | 0.500 INCHES NOMINAL |
| FIRST END BOLT HOLE DIAMETER | 0.563 INCHES NOMINAL |
| FIRST END BOLT CIRCLE DIAMETER | 5.500 INCHES NOMINAL |
| SECOND END RELATIONSHIP WITH FIRST END | IDENTICAL |
| BODY STYLE | STRAIGHT THRU |
| FACE TO FACE DISTANCE | 11.625 INCHES NOMINAL |
| 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 |