National Item Identification Number
00-203-7912
002037912
4820-00-203-7912
4820-00-203-7912
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)
5S1166ALT9AND5S1179ALT8AND5S128-
Required Categories
MATERIAL
STYLE DESIGNATOR
FIRST CONNECTION FACE TO CENTERLINE DISTANCE
SECOND
Required Description
COPPER ALLOY BODY
COPPER ALLOY FLOW CONTROL DEVICE
COPPER ALLOY SEAT
COPPER A