National Item Identification Number
01-302-1887
013021887
4820-01-302-1887
4820-01-302-1887
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
91816
Reference Numbers (Part Numbers)
5550531
5550531-1
559T-6M-90
Required Categories
MATERIAL
STYLE DESIGNATOR
FLOW CONTROL DEVICE
MEDIA FOR WHICH DESIGNED
VALVE
Required Description
STEEL COMP 303 BODY
RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT
C8 STRAIGHT