NSN 4820-01-051-8215

Part Details | SAFETY RELIEF VALVE

4820-01-051-8215 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: D559A6D50, D559A-6D-50, 3978, 3978550, 3978-5-50, 4820-01-051-8215, 01-051-8215, 4820010518215, 010518215

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48DEC 05, 197701-051-821505488 ( VALVE, SAFETY RELIEF )
REFERENCE DRAWINGS & PICTURES

STRAIGHT THRU W/BAFFLE

Cross Reference | NSN 4820-01-051-8215
Part Number Cage Code Manufacturer
D559A-6D-5091816CIRCOR AEROSPACE, INC.DBA CIRCLE SEAL CONTROLS
397822501HOWELL LABORATORIES, INC.
3978-5-5022501HOWELL LABORATORIES, INC.
Technical Data | NSN 4820-01-051-8215
Characteristic Specifications
SURFACE TREATMENT ANODIZE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625A TYPE I MIL SPEC SINGLE TREATMENT RESPONSE
STYLE DESIGNATOR STRAIGHT THRU W/BAFFLE
FLOW CONTROL DEVICE POPPET
VALVE OPERATION METHOD AUTOMATIC
DISK LOADING METHOD SPRING
OPENING PRESSURE SETTING50.0 POUNDS PER SQUARE INCH
ADJUSTABLE PRESSURE RANGE25.0 TO 75.0 POUNDS PER SQUARE INCH
FURNISHED ITEMS AND QUANTITY1 DEFLECTOR CAP