NSN 4820-01-143-4568

Part Details | SAFETY RELIEF VALVE

4820-01-143-4568 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: 2R2890, 1060638501, 10-60638-501, 4820-01-143-4568, 01-143-4568, 4820011434568, 011434568

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48DEC 04, 198201-143-456805488 ( VALVE, SAFETY RELIEF )
REFERENCE DRAWINGS & PICTURES

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

Cross Reference | NSN 4820-01-143-4568
Part Number Cage Code Manufacturer
2R289099240CRISSAIR, INC.DIV ESCO TECHNOLOGIES
10-60638-50181205THE BOEING COMPANYDBA BOEING
Technical Data | NSN 4820-01-143-4568
Characteristic Specifications
SURFACE TREATMENT ANODIZE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE
STYLE DESIGNATOR STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
FLOW CONTROL DEVICE POPPET
VALVE DISCHARGE FLOW RATE9.0 GALLONS PER MINUTE
VALVE OPERATION METHOD AUTOMATIC
DISK LOADING METHOD SPRING
OPENING PRESSURE SETTING50.0 POUNDS PER SQUARE INCH