National Item Identification Number
01-104-3970
011043970
4820-01-104-3970
4820-01-104-3970
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)
Required Categories
VALVE SIZE
NONDEFINITIVE SPEC/STD DATA
DEPARTURE FROM CITED DOCUMENT
SPEC/STD
Required Description
1.000 INCHES
B GRADE
AS MODIFIED BY MAXIMUM OPERATING PRESSURE AND MEDIA FOR W
