National Item Identification Number
01-249-5311
012495311
4820-01-249-5311
4820-01-249-5311
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)
91816
91816
Reference Numbers (Part Numbers)
537T-4D-12
577T-4D-12
Required Categories
MATERIAL
STYLE DESIGNATOR
FLOW CONTROL DEVICE
MAXIMUM OPERATING PRESSURE
VAL
Required Description
STEEL COMP 303 OR
STEEL BODY
C6 STRAIGHT THRU
STEM
200.0 POUNDS PER SQUARE I