National Item Identification Number
01-253-8558
012538558
4820-01-253-8558
4820-01-253-8558
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)
DL0-40C/B2 127 TO 154 PSI
Required Categories
MATERIAL
FLOW CONTROL DEVICE
VALVE OPERATION METHOD
ADJUSTABLE PRESSURE RANGE
Required Description
COPPER ALLOY BODY
STEEL CORROSION RESISTING FLOW CONTROL DEVICE
STEEL CORROSIO