National Item Identification Number
00-404-1982
004041982
4820-00-404-1982
4820-00-404-1982
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)
77445
Reference Numbers (Part Numbers)
659209
Required Categories
BODY STYLE
BODY MATERIAL
FLOW CONTROL DEVICE
END CONNECTION QUANTITY
FIRST E
Required Description
A1 STRAIGHT THRU
ANY ACCEPTABLE
PISTON, WEIGHTED TYPE
2
UNTHREADED EXTERNAL
