National Item Identification Number
01-109-1997
011091997
4820-01-109-1997
4820-01-109-1997
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)
19207
97993
GENERAL DYNAMICS DEFENSE SYSTEMS
INC.
100 PLASTICS AVE.
PITTSFIELD
MA
01201
413-494-2849
Reference Numbers (Part Numbers)
11628527
11628527
Required Categories
BODY MATERIAL
TEMP ADJUSTABILITY
Required Description
STEEL, FED STD 66, AISI/SAE 4140
NOT ADJUSTABLE
