National Item Identification Number
00-179-3423
001793423
4820-00-179-3423
4820-00-179-3423
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)
19207
Reference Numbers (Part Numbers)
ER7291
7334985
Required Categories
BODY MATERIAL
MEDIA FOR WHICH DESIGNED
Required Description
STEEL
OIL
