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 6610-01-244-7192
NSN 6685-00-161-5752
NSN 5965-01-467-2071
NSN 5855-01-634-0259
NSN 5990-01-646-2990
NSN 5998-01-431-7836
NSN 6620-01-517-0014
NSN 5945-01-617-8087
NSN 5915-01-616-5581
NSN 5925-01-323-4173
NSN 6240-01-116-5988
NSN 6620-01-004-7072