National Item Identification Number

01-236-4408
012364408
4820-01-236-4408
4820-01-236-4408

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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18350

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77272

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Reference Numbers (Part Numbers)

AA-B126-1D36A
A15HS056-1

Required Categories

BODY STYLE
BODY MATERIAL
OUTSIDE SURFACE TREATMENT
SEAT MATERIAL
FLOW CONTRO

Required Description

A48 SINGLE CONNECTION ANGLE FLOW
STEEL, AMS 5640
PASSIVATED
STEEL, AISI 440C;