National Item Identification Number
00-091-7887
000917887
4820-00-091-7887
4820-00-091-7887
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)
53711
53711
53711
Reference Numbers (Part Numbers)
HR5558
64-8-2929
81312S41-589PC89
81312S41-589PC89
81312S41-667PC89
81312S4
Required Categories
MATERIAL
STYLE DESIGNATOR
FLOW CONTROL DEVICE
VALVE OPERATION METHOD
CONNECT
Required Description
COPPER ALLOY OVERALL
C1 ANGLE
STEM
AUTOMATIC
THREADED INTERNAL PIPE ALL ENDS