NSN 4820-00-540-1872

Part Details | SAFETY RELIEF VALVE

4820-00-540-1872 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: 4446441501, 4446441-501, 4446441501, 4446441-501, 4446441105PS1, 4446441-105PS1, 2R1450, 4820-00-540-1872, 00-540-1872, 4820005401872, 005401872

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JAN 01, 196300-540-187205488 ( VALVE, SAFETY RELIEF )
REFERENCE DRAWINGS & PICTURES

STRAIGHT THRU

Cross Reference | NSN 4820-00-540-1872
Part Number Cage Code Manufacturer
4446441-50188277BOEING COMPANY, THEDBA BOEING
4446441-50118355BOEING COMPANY, THEDBA BOEING
4446441-105PS188277BOEING COMPANY, THEDBA BOEING
2R145099240CRISSAIR, INC.DIV ESCO TECHNOLOGIES
Technical Data | NSN 4820-00-540-1872
Characteristic Specifications
STYLE DESIGNATOR STRAIGHT THRU
FLOW CONTROL DEVICE POPPET
VALVE DISCHARGE FLOW RATE1.0 GALLONS PER MINUTE
VALVE OPERATION METHOD AUTOMATIC
BONNET TYPE PACKING RETAINING
DISK LOADING METHOD SPRING
OPENING PRESSURE SETTING105.0 POUNDS PER SQUARE INCH
FEATURES PROVIDED PRESSURE TIGHT OUTLET SIDE