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 5996-01-632-2061
NSN 2925-00-969-8340
NSN 6130-01-560-7934
NSN 5950-01-584-4755
NSN 5905-01-337-5936
NSN 6220-01-282-6572
NSN 6220-01-364-1675
NSN 5895-00-205-2924
NSN 5895-00-178-0375
NSN 6150-01-214-0363
NSN 6150-00-300-6452
NSN 5895-00-505-2809