NSN 4820-00-291-6670

Part Details | SAFETY RELIEF VALVE

4820-00-291-6670 A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes VALVE (1), RELIEF, PRESSURE AND TEMPERATURE.

Alternate Parts: 147833, 1478-3-3, 342C722H01, 4820-00-291-6670, 00-291-6670, 4820002916670, 002916670

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48SEP 14, 197300-291-667005488 ( VALVE, SAFETY RELIEF )
REFERENCE DRAWINGS & PICTURES

ANGLE

Cross Reference | NSN 4820-00-291-6670
Part Number Cage Code Manufacturer
1478-3-338056ASHCROFT INC.
342C722H0197942NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV NORTHROP GRUMMAN SYSTEMS
Technical Data | NSN 4820-00-291-6670
Characteristic Specifications
STYLE DESIGNATOR ANGLE
FLOW CONTROL DEVICE DISK
VALVE DISCHARGE FLOW RATE297.0 GALLONS PER MINUTE
VALVE OPERATION METHOD AUTOMATIC
BONNET TYPE INSIDE SPRING
BONNET ATTACHMENT METHOD THREADED
DISK LOADING METHOD SPRING
OPENING PRESSURE SETTING85.0 POUNDS PER SQUARE INCH
FEATURES PROVIDED BONNET PACKING AND PRESSURE TIGHT OUTLET SIDE