National Item Identification Number

01-014-6657
010146657
4820-01-014-6657
4820-01-014-6657

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)

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Reference Numbers (Part Numbers)

820-2177503F

Required Categories

Required Description