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 5996-01-516-8219
NSN 5999-01-468-5665
NSN 6220-01-211-4630
NSN 5999-01-344-2341
NSN 2925-01-152-8618
NSN 5835-01-128-9331
NSN 5996-01-574-0898
NSN 5895-01-295-9575
NSN 2925-01-097-0903
NSN 5998-00-990-3515
NSN 6130-01-165-1127
NSN 5905-00-547-7539