National Item Identification Number
00-289-4384
002894384
4820-00-289-4384
4820-00-289-4384
National Stock Number
Item Name
VALVE,SAFETY RELIEF
Federal Supply Class
4820
Description
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.
Commercial and Government Entity Code (Supplier Data)
79500
79500
79500
Reference Numbers (Part Numbers)
D2-8443PC781
D2-8476PC781
D2-8776PC781
D2-8776PC781
D2-8844-781
D2-8844-781
Required Categories
MATERIAL
STYLE DESIGNATOR
MAXIMUM OPERATING PRESSURE
CONNECTION TYPE
FLANGE
Required Description
COPPER ALLOY BODY
COPPER ALLOY SEAT
C1 ANGLE
150.0 POUNDS PER SQUARE INCH SIN