NSN 4820-01-256-0662

Part Details | SAFETY RELIEF VALVE

4820-01-256-0662 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: 2973AFBAC, 2973AFBAC, 4820-01-256-0662, 01-256-0662, 4820012560662, 012560662

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48MAY 31, 198701-256-066205488 ( VALVE, SAFETY RELIEF )
REFERENCE DRAWINGS & PICTURES

ANGLE

Cross Reference | NSN 4820-01-256-0662
Part Number Cage Code Manufacturer
2973AFBAC82796COLTEC INDUSTRIES INC.DBA FAIRBANKS MORSE ENGINE
2973AFBAC7PZX0FAIRBANKS MORSE, LLC
Technical Data | NSN 4820-01-256-0662
Characteristic Specifications
STYLE DESIGNATORA ANGLE
FIRST CONNECTION FACE TO CENTERLINE DISTANCE5.250 INCHES
SECOND CONNECTION FACE TO CENTERLINE DISTANCE5.250 INCHES
VALVE SIZE3.000 INCHES
FLOW CONTROL DEVICE PLUG
VALVE OPERATION METHOD AUTOMATIC
OPENING PRESSURE SETTING20.0 POUNDS PER SQUARE INCH