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 5930-01-313-1244
NSN 5855-00-079-2370
NSN 5835-01-205-6614
NSN 6135-01-350-2932
NSN 5945-01-199-5060
NSN 6110-01-436-5794
NSN 6650-01-483-2399
NSN 5950-01-211-7018
NSN 6685-00-893-9020
NSN 5965-00-007-7863
NSN 5985-00-573-9876
NSN 5920-01-648-5188