National Item Identification Number
01-437-4204
014374204
4820-01-437-4204
4820-01-437-4204
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)
99251
91816
Reference Numbers (Part Numbers)
3307725-3
533B-2M-80
Required Categories
MATERIAL
FLOW CONTROL DEVICE
VALVE OPERATION METHOD
CONNECTION TYPE
CONNECTI
Required Description
COPPER ALLOY BODY
RUBBER NEOPRENE PACKING
DISK
AUTOMATIC
THREADED EXTERNAL P