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 5965-01-267-1278
NSN 5905-01-355-8919
NSN 5985-01-042-4924
NSN 5935-01-422-4599
NSN 5925-01-197-6627
NSN 5998-01-273-6974
NSN 5855-01-462-5150
NSN 5905-01-598-2203
NSN 5999-00-753-7450
NSN 5990-01-147-5225
NSN 5965-01-563-5017
NSN 5975-00-028-0122