Two blades
No other part numbers with same form, fit, and function found.
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 5985-00-150-9398
NSN 5960-01-219-5504
NSN 5920-00-493-8307
NSN 5975-01-197-1923
NSN 5925-01-557-9007
NSN 6130-00-989-2332
NSN 5835-01-065-5281
NSN 5985-01-283-6086
NSN 6685-00-339-3699
NSN 6150-00-254-1041
NSN 6320-00-270-8222
NSN 6645-00-658-7838