National Item Identification Number
01-014-6655
010146655
4820-01-014-6655
4820-01-014-6655
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)
Reference Numbers (Part Numbers)
820-2178068-3
Required Categories
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS
CRITICALITY CODE JUSTIFICATION
Required Description
SELECTED AND TESTED FOR NUCLEAR PROPULSION PLANT SYSTEMS
ZZZY
80064
820-21780