National Item Identification Number
01-375-8658
013758658
4820-01-375-8658
4820-01-375-8658
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
53711
Reference Numbers (Part Numbers)
211031739
512-6406357-AY99
Required Categories
BODY MATERIAL
SEAT MATERIAL
OPENING PRESSURE SETTING
III END ITEM IDENTIFICAT
Required Description
STEEL, CORROSION RESISTING
STEEL, CORROSION RESISTING
0.98 POUNDS PER SQUARE I