NSN 4820-00-490-5457

Part Details | SAFETY RELIEF VALVE

4820-00-490-5457 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: 559B2M32, 559B-2M-32, QB20019211, QB200192-11, QB20019211, QB200192-11, 4820-00-490-5457, 00-490-5457, 4820004905457, 004905457

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48OCT 01, 196900-490-545705488 ( VALVE, SAFETY RELIEF )
REFERENCE DRAWINGS & PICTURES

STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.

Cross Reference | NSN 4820-00-490-5457
Part Number Cage Code Manufacturer
559B-2M-3291816CIRCOR AEROSPACE, INC.DBA CIRCLE SEAL CONTROLS
QB200192-1119315HONEYWELL INTL INC DEFENSE AVIONICSSYSTEMS FORMER BENDIX NAVIGATION AND
QB200192-1155974HONEYWELL INTL INCDEFENSE AVIONICS SYSTEMS
Technical Data | NSN 4820-00-490-5457
Characteristic Specifications
STYLE DESIGNATOR STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
FLOW CONTROL DEVICE POPPET
VALVE OPERATION METHOD AUTOMATIC
DISK LOADING METHOD SPRING
OPENING PRESSURE SETTING32.0 POUNDS PER SQUARE INCH
SPECIAL FEATURESPOP-OFF TYPE