NSN 4820-01-044-5998

Part Details | SAFETY RELIEF VALVE

4820-01-044-5998 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: 559B2M300, 559B-2M-300, HP559B2M300, HP559B-2M-300, 4820-01-044-5998, 01-044-5998, 4820010445998, 010445998

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JUL 17, 197701-044-599805488 ( VALVE, SAFETY RELIEF )
REFERENCE DRAWINGS & PICTURES

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

Cross Reference | NSN 4820-01-044-5998
Part Number Cage Code Manufacturer
559B-2M-30091816CIRCOR AEROSPACE, INC.DBA CIRCLE SEAL CONTROLS
HP559B-2M-30091816CIRCOR AEROSPACE, INC.DBA CIRCLE SEAL CONTROLS
Technical Data | NSN 4820-01-044-5998
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 SETTING300.0 POUNDS PER SQUARE INCH
SPECIAL FEATURESPOP-OFF TYPE