NSN 4820-00-287-2640

Part Details | SAFETY RELIEF VALVE

4820-00-287-2640 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: 2501, 3304274, 3304274, 81125S4121502ALT1PC3, 81125S41-21502ALT1PC3, 81125S4121502ALT1PC3, 81125S41-21502ALT1PC3, 4820-00-287-2640, 00-287-2640, 4820002872640, 002872640

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JAN 01, 196300-287-264005488 ( VALVE, SAFETY RELIEF )
REFERENCE DRAWINGS & PICTURES

ANGLE

Cross Reference | NSN 4820-00-287-2640
Part Number Cage Code Manufacturer
250114959CRANE CODIV VALVE DIV
330427472915GENERAL MOTORS CORPELECTRO-MOTIVE DIV
330427455380HATCH & KIRK, INC.
81125S41-21502ALT1PC353711NAVAL SEA SYSTEMS COMMAND
81125S41-21502ALT1PC380064NAVAL SHIP SYSTEMS COMMAND
Technical Data | NSN 4820-00-287-2640
Characteristic Specifications
STYLE DESIGNATOR ANGLE
FLOW CONTROL DEVICE DISK
VALVE DISCHARGE FLOW RATE50.0 GALLONS PER MINUTE
VALVE OPERATION METHOD AUTOMATIC
BONNET TYPE INSIDE SPRING
BONNET ATTACHMENT METHOD INTEGRAL
DISK LOADING METHOD SPRING
ADJUSTABLE PRESSURE RANGE16.0 TO 30.0 POUNDS PER SQUARE INCH
FEATURES PROVIDED PRESSURE TIGHT OUTLET SIDE