NSN 4820-00-491-3761
Part Details | FLUID PRESSURE REGULATING VALVE
4820-00-491-3761 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: 72076, 6565105039101, 65651-05039-101, 4820-00-491-3761, 00-491-3761, 4820004913761, 004913761
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | OCT 02, 1970 | 00-491-3761 | 27565 ( VALVE, REGULATING, FLUID PRESSURE ) |
REFERENCE DRAWINGS & PICTURES
STRAIGHT THRU
GASKET SEAL
GASKET SEAL
GASKET SEAL
GASKET SEAL
Cross Reference | NSN 4820-00-491-3761
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 72076 | 81982 | HYDRO-AIRE, INC. |
| 65651-05039-101 | 78286 | SIKORSKY AIRCRAFT CORPORATIONDBA SIKORSKY |
Technical Data | NSN 4820-00-491-3761
| Characteristic | Specifications |
|---|---|
| BODY MATERIAL | ALUMINUM ALLOY, QQ-A-601, T6 |
| TEMP RATING | -65.0 DEG FAHRENHEIT MINIMUM AND 275.0 DEG FAHRENHEIT MAXIMUM |
| MAXIMUM INLET PRESSURE RATING | 3500.0 POUNDS PER SQUARE INCH |
| OUTLET PRESSURE RANGE | +1850.0 TO +2150.0 POUNDS PER SQUARE INCH |
| FILTER | NOT INCLUDED |
| TEST DATA DOCUMENT | 81349-MIL-V-8813 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 | WITH DEVIATION AS TO SAMPLE AND TEST PROCEDURES BY SIKORSKY |
| CRITICALITY CODE JUSTIFICATION | AAEVZ$$AAEVA |
| SEAT MATERIAL | STEEL, QQ-S-763, CLASS 440C |
| PACKING MATERIAL | RUBBER, SYNTHETIC, MIL-P-25732 |
| FLOW CONTROL DEVICE | POPPET |
| FLOW CONTROL DEVICE MATERIAL | STEEL, QQ-S-763, CLASS 440C |
| OUTSIDE SURFACE TREATMENT | ANODIZED, MIL-A-8625, TYPE 2 |
| END CONNECTION QUANTITY | 2 |
| FIRST END CONNECTION TYPE | THREADED INTERNAL BOSS |
| FIRST END STYLE DESIGNATOR | GASKET SEAL |
| FIRST END THREAD SIZE AND SERIES/TYPE DESIGNATOR | 1-1 TO 16-12 UN |
| FIRST END THREAD CLASS | 3B |
| FIRST END THREAD DIRECTION | RIGHT-HAND |
| SECOND END RELATIONSHIP WITH FIRST END | IDENTICAL |
| BODY STYLE | STRAIGHT THRU |
| MEDIA FOR WHICH DESIGNED | HYDRAULIC FLUID, SILICATE-ESTER BASE |
| MOUNTING FACILITY | BOLTS |
| REGULATION TYPE | AUTOMATIC SINGLE STAGE |
| VALVE LOADING METHOD | SPRING |