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 6130-01-445-5878
NSN 6150-00-652-7794
NSN 6650-00-453-5616
NSN 6130-00-406-6778
NSN 6135-00-754-8191
NSN 5935-01-584-8823
NSN 6320-00-139-1090
NSN 5960-01-089-8155
NSN 6320-00-823-2015
NSN 5905-00-079-2108
NSN 5975-01-554-7187
NSN 5895-01-352-2495