National Item Identification Number
01-327-8021
013278021
4820-01-327-8021
4820-01-327-8021
National Stock Number
Item Name
VALVE,RELIEF,PRESSURE AND TEMPERATURE
Federal Supply Class
4820
Description
A valve designed to release under excessive pressure and/or excessive temperature by opening at a predetermined pressure and/or temperature. Thermostatically operated valves close when the pressure is relieved or the temperature is reduced. Fusible plug valves require replacement of the plug. See also VALVE, SAFETY RELIEF and VALVE, REGULATING. TEMPERATURE.
Commercial and Government Entity Code (Supplier Data)
53711
Reference Numbers (Part Numbers)
6277204
Required Categories
FLOW CONTROL DEVICE
MEDIA FOR WHICH DESIGNED
TEMP RATING
VALVE DISCHARGE FLOW
Required Description
BALL
OIL
350.0 DEG FAHRENHEIT
0.35 GALLONS PER MINUTE
70.0 POUNDS PER SQUARE