NSN 4820-00-181-8920
Part Details | FLUID PRESSURE REGULATING VALVE
4820-00-181-8920 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: MILV2042, 40401902, 40401-902, 404019, 40401-9, 4040109 25TO60, 40401-09 25TO60, 4040109 2560 PSI, 40401-09 25-60 PSI, 4040109 REV A, 40401-09 REV A, 308080201501B, 30808020-1501B, 30808260REVF, 4820-00-181-8920, 00-181-8920, 4820001818920, 001818920
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | OCT 24, 1970 | 00-181-8920 | 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 4820-00-181-8920
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| MILV2042 | 81349 | MILITARY SPECIFICATIONSPROMULGATED BY MILITARY |
| 40401-902 | 55378 | TRAC REGULATORS INC |
| 40401-9 | 55378 | TRAC REGULATORS INC |
| 40401-09 25TO60 | 55378 | TRAC REGULATORS INC |
| 40401-09 25-60 PSI | 55378 | TRAC REGULATORS INC |
| 40401-09 REV A | 55378 | TRAC REGULATORS INC |
| 30808020-1501B | 03847 | WARREN CONTROLS, INC. |
| 30808260REVF | 03847 | WARREN CONTROLS, INC. |
Technical Data | NSN 4820-00-181-8920
| Characteristic | Specifications |
|---|---|
| BODY MATERIAL | BRONZE, ASTM B61 |
| 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 |
| FURNISHED ITEMS | UNION NUT AND TAILPIECE |
| SPECIAL FEATURES | WEAPON SYSTEM ESSENTIAL. 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 REQUESTED 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 |
| CRITICALITY CODE JUSTIFICATION | FEAT |
| END ITEM IDENTIFICATION | TARAWA CLASS LHA, NIMITZ CLASS CVN, OLIVER PERRY CLASS FFG, FORRESTAL CLASS CV, EMORYS . LAND CLASS AS, TICONDEROGA CLASS CG (47), SPRUANCE CLASS DD (963), WASP CLASS LHD. |
| SEAT MATERIAL | NICKEL COPPER ALLOY, QQ-N-281 |
| STEM MATERIAL | NICKEL COPPER ALLOY, QQ-N-281 |
| FLOW CONTROL DEVICE | DIAPHRAGM |
| FLOW CONTROL DEVICE MATERIAL | BRASS |
| 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 | 1.500 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 |