A cast iron or sheet metal plate designed to be installed in a boiler, heater, stove, or furnace flue pipe to control the draft, and/or in an air duct to control the passage of air. Excludes valve, butterfly.
NSN 5945-00-114-3910
NSN 6220-01-022-5809
NSN 5915-01-276-2535
NSN 6135-01-346-0851
NSN 5960-00-904-0294
NSN 6240-01-540-4966
NSN 5895-01-574-9750
NSN 6650-01-353-9091
NSN 5930-01-394-3738
NSN 6105-00-934-8793
NSN 5996-01-470-8149
NSN 5960-01-175-9880