National Item Identification Number
00-203-9421
002039421
4820-00-203-9421
4820-00-203-9421
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)
Reference Numbers (Part Numbers)
W432-6E
Required Categories
MATERIAL
SURFACE TREATMENT
STYLE DESIGNATOR
FLOW CONTROL DEVICE
VALVE OPERAT
Required Description
ALUMINUM ALLOY OVERALL
ANODIZE
B6 STRAIGHT THRU
POPPET
AUTOMATIC
THREADED E
