NSN 4820-01-521-0018
Part Details | FLUID PRESSURE REGULATING VALVE
4820-01-521-0018 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: F137092, F-1370-92, MILV2042, MIL-V-2042, 40754401, 40754-401, 407544 ASSY 40754401, 40754-4 ASSY 40754-401, 407544, 40754-4, 4820-01-521-0018, 01-521-0018, 4820015210018, 015210018
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | JUN 05, 2004 | 01-521-0018 | 27565 ( VALVE, REGULATING, FLUID PRESSURE ) |
REFERENCE DRAWINGS & PICTURES
STRAIGHT THRU
SOCKET
SOCKET
SOCKET
SOCKET
Cross Reference | NSN 4820-01-521-0018
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| F-1370-92 | 81346 | AMERICAN SOCIETY FOR TESTING ANDMATERIALS |
| MIL-V-2042 | 81349 | MILITARY SPECIFICATIONSPROMULGATED BY MILITARY |
| 40754-401 | 55378 | TRAC REGULATORS INC |
| 40754-4 ASSY 40754-401 | 55378 | TRAC REGULATORS INC |
| 40754-4 | 55378 | TRAC REGULATORS INC |
Technical Data | NSN 4820-01-521-0018
| Characteristic | Specifications |
|---|---|
| BODY MATERIAL | BRONZE, ASTM B61 |
| MAXIMUM INLET PRESSURE RATING | 250.0 POUNDS PER SQUARE INCH |
| OUTLET PRESSURE RANGE | +5.0 TO +60.0 POUNDS PER SQUARE INCH |
| FILTER | NOT INCLUDED |
| SPECIAL FEATURES | MANUFACTURER IDENTIFIES THIS VALVE AS 1/2" STYLE H SEA WATER PRESSURE REDUCING VALVE PER MIL-V-2042 TYPE II 250 LB. END CONNECTIONS ARE UNION END/TAILPIECES WITH 1 GROOVE. DRAWING NOTE 7: O-RINGS AND RETAINING RINGS PROVIDED ONLY WHEN SPECIFIED ON ORDER. |
| END ITEM IDENTIFICATION | W/S NIMITZ |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | PRESSURE REDUCING VALVE |
| SEAT MATERIAL | NICKEL COPPER ALLOY |
| STEM MATERIAL | NICKEL COPPER ALLOY |
| VALVE SIZE | 0.500 INCHES |
| FLOW CONTROL DEVICE | DISK |
| FLOW CONTROL DEVICE MATERIAL | RUBBER, BUNA-N |
| END CONNECTION SPEC/STD | 53711-803-1385946 |
| END CONNECTION QUANTITY | 2 |
| FIRST END CONNECTION TYPE | UNTHREADED INTERNAL PIPE |
| FIRST END STYLE DESIGNATOR | SOCKET |
| FIRST END NOMINAL PIPE SIZE ACCOMMODATED | 0.500 INCHES |
| BODY STYLE | STRAIGHT THRU |
| FACE TO FACE DISTANCE | 9.500 INCHES NOMINAL |
| MEDIA FOR WHICH DESIGNED | WATER |
| RENEWABLE SEAT RING TYPE | L ANY ACCEPTABLE |
| REGULATION TYPE | AUTOMATIC SINGLE STAGE |
| VALVE STEM DESIGN | SINGLE SEAT |
| VALVE LOADING METHOD | SPRING |