NSN 4820-00-287-2978

Part Details | SAFETY RELIEF VALVE

4820-00-287-2978 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: MILV20065, TYA1CLC34 400298T0354SBU, TYA1CLC3-4 400-298T0354SBU, 4820-00-287-2978, 00-287-2978, 4820002872978, 002872978

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JAN 01, 196300-287-297805488 ( VALVE, SAFETY RELIEF )
REFERENCE DRAWINGS & PICTURES

ANGLE

Cross Reference | NSN 4820-00-287-2978
Part Number Cage Code Manufacturer
MILV2006581349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
TYA1CLC3-4 400-298T0354SBU03950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
Technical Data | NSN 4820-00-287-2978
Characteristic Specifications
STYLE DESIGNATORA ANGLE
VALVE SIZE0.750 INCHES
FLOW CONTROL DEVICE POPPET
VALVE OPERATION METHOD AUTOMATIC
BONNET TYPE EXPOSED SPRING
BONNET ATTACHMENT METHOD UNION
DISK LOADING METHOD SPRING
ADJUSTABLE PRESSURE RANGE136.0 TO 169.0 POUNDS PER SQUARE INCH
NONDEFINITIVE SPEC/STD DATAA1 TYPE AND C CLASS