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 5960-01-010-3083
NSN 5915-00-258-4398
NSN 6685-00-180-8999
NSN 6320-00-110-8005
NSN 6130-01-160-7772
NSN 5998-01-287-8546
NSN 5998-00-654-5278
NSN 6620-01-333-4734
NSN 5915-00-297-7063
NSN 5915-01-394-4967
NSN 6220-00-504-2021
NSN 7035-00-465-3298