NSN 4820-01-171-4392

Part Details | SAFETY RELIEF VALVE

4820-01-171-4392 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: 20210H51M, 20210H51MCP, 20210H51M, 4820-01-171-4392, 01-171-4392, 4820011714392, 011714392

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48FEB 07, 198401-171-439205488 ( VALVE, SAFETY RELIEF )
REFERENCE DRAWINGS & PICTURES

ANGLE

Cross Reference | NSN 4820-01-171-4392
Part Number Cage Code Manufacturer
20210H51M01343ANDERSON GREENWOOD LPDBA ANDERSON GREENWOOD CROSBY
20210H51MCP03950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
20210H51M15187PENTAIR VALVES & CONTROLS US LPDBA NAVY PRODUCT TEAM
Technical Data | NSN 4820-01-171-4392
Characteristic Specifications
STYLE DESIGNATOR ANGLE
FLOW CONTROL DEVICE DISK
VALVE OPERATION METHOD AUTOMATIC
BONNET TYPE INSIDE SPRING
BONNET ATTACHMENT METHOD BOLTED
DISK LOADING METHOD SPRING
ADJUSTABLE PRESSURE RANGE45.0 TO 55.0 POUNDS PER SQUARE INCH
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
CRITICALITY CODE JUSTIFICATIONZZZY