NSN 4820-00-820-7659

Part Details | SAFETY RELIEF VALVE

4820-00-820-7659 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: 524D20, 524D-20, 524A4D20, 524A-4D-20, 4820-00-820-7659, 00-820-7659, 4820008207659, 008207659

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JAN 01, 196300-820-765905488 ( VALVE, SAFETY RELIEF )
REFERENCE DRAWINGS & PICTURES

STRAIGHT THRU

Cross Reference | NSN 4820-00-820-7659
Part Number Cage Code Manufacturer
524D-2091816CIRCOR AEROSPACE, INC.DBA CIRCLE SEAL CONTROLS
524A-4D-2091816CIRCOR AEROSPACE, INC.DBA CIRCLE SEAL CONTROLS
Technical Data | NSN 4820-00-820-7659
Characteristic Specifications
STYLE DESIGNATOR STRAIGHT THRU
FLOW CONTROL DEVICE POPPET
VALVE DISCHARGE FLOW RATE6.0 CUBIC FEET PER MINUTE
VALVE OPERATION METHOD AUTOMATIC
DISK LOADING METHOD SPRING
OPENING PRESSURE SETTING20.0 POUNDS PER SQUARE INCH
FEATURES PROVIDED PRESSURE TIGHT OUTLET SIDE