NSN 4820-00-449-1949
Part Details | FLUID PRESSURE REGULATING VALVE
4820-00-449-1949 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: 633289, 9164875, 9-1648-75, 9164875, 9-1648-75, 4820-00-449-1949, 00-449-1949, 4820004491949, 004491949
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | JAN 01, 1963 | 00-449-1949 | 27565 ( VALVE, REGULATING, FLUID PRESSURE ) |
REFERENCE DRAWINGS & PICTURES
Y ANGLE
GASKET SEAL
GASKET SEAL
GASKET SEAL
GASKET SEAL
Cross Reference | NSN 4820-00-449-1949
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 633289 | 98897 | LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN AERONAUTICS |
| 9-1648-75 | 92003 | PARKER HANNIFIN CORPORATIONDIV AEROSPACE GROUP HEADQUARTERS |
| 9-1648-75 | 45681 | PARKER-HANNIFIN CORPORATIONDIV CORPORATE HEADQUARTERS |
Technical Data | NSN 4820-00-449-1949
| Characteristic | Specifications |
|---|---|
| BODY MATERIAL | ALUMINUM ALLOY |
| TEMP RATING | -65.0 DEG FAHRENHEIT MINIMUM AND 160.0 DEG FAHRENHEIT MAXIMUM |
| MAXIMUM INLET PRESSURE RATING | 60.0 POUNDS PER SQUARE INCH |
| OUTLET PRESSURE RANGE | +4.7 TO +5.7 POUNDS PER SQUARE INCH |
| FILTER | NOT INCLUDED |
| SEAT MATERIAL | ALUMINUM ALLOY |
| FLOW CONTROL DEVICE | STEM AND INTEGRAL DISK |
| FLOW CONTROL DEVICE MATERIAL | STEEL, CORROSION RESISTING |
| 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 | 3 TO 4-16 UNF |
| FIRST END THREAD CLASS | 3B |
| FIRST END THREAD DIRECTION | RIGHT-HAND |
| SECOND END RELATIONSHIP WITH FIRST END | IDENTICAL |
| BODY STYLE | Y ANGLE |
| MEDIA FOR WHICH DESIGNED | AIR AND HYDROCARBON FUELS AND OILS |
| REGULATION TYPE | AUTOMATIC SINGLE STAGE |
| VALVE STEM DESIGN | SINGLE SEAT |
| VALVE LOADING METHOD | SPRING |
| REMOTE ACTUATION METHOD | DIAPHRAGM |