FSC 4440 Driers, Dehydrators, and Anhydrators
FSC 4470 Nuclear Reactors
Includes Refueling Machines; Ion Chamber Seals; Thermal Barriers; Control Rods; Steam Generators, Pressurized Water; Reactor Vessel Shells; Handling Carts; Hoisting Units, New and Spent Cartridge.
FSC 4420 Heat Exchangers and Steam Condensers
FSC 4460 Air Purification Equipment
Includes Electronic Precipitators; Dust Collection Equipment.
Excludes Fan and Blower Equipment (FSC 4140); Air Conditioning Equipment (FSC 4120).
FSC 4410 Industrial Boilers
Includes Steam Boilers, over 15 pounds WSP. Marine Boilers; Boiler Drums; Water Heaters, Low Pressure (over 100 gallon recovery capacity).
Includes Crucible Furnaces; Cupola Furnaces.
Excludes Food Industry Ovens (FSC 7310); Metal Heat Treating Furnaces (FSC 3424); Laboratory Type Furnaces (FSC 6640).