National Item Identification Number
01-348-0918
013480918
4820-01-348-0918
4820-01-348-0918
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)
91816
Reference Numbers (Part Numbers)
D559A-1M-2.5
Required Categories
BODY MATERIAL
TEMP RATING
SPECIAL FEATURES
Required Description
BRASS
-40.0 DEG FAHRENHEIT
250.0 DEG FAHRENHEIT
0.125 IN. MALE PIPE