National Item Identification Number
01-124-9979
011249979
4820-01-124-9979
4820-01-124-9979
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)
70210
91816
Reference Numbers (Part Numbers)
559B-1M-8
559B-1M-8
Required Categories
MATERIAL
SURFACE TREATMENT
STYLE DESIGNATOR
FLOW CONTROL DEVICE
MEDIA FOR WH
Required Description
COPPER ALLOY BODY
COPPER ALLOY AND
RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FL