National Item Identification Number
01-236-4407
012364407
4820-01-236-4407
4820-01-236-4407
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)
18350
77272
Reference Numbers (Part Numbers)
AA-B211-8D8A
A15HS051-1
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;