National Item Identification Number

01-317-6865
013176865
4820-01-317-6865
4820-01-317-6865

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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77445

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Reference Numbers (Part Numbers)

2183559

Required Categories

BODY MATERIAL
SEAT MATERIAL
FLOW CONTROL DEVICE
END CONNECTION QUANTITY
FIRS

Required Description

STEEL, AMS 5354
STEEL, AMS 5354
PISTON, FREE TYPE
2
THREADED EXTERNAL TUBE;