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 5905-01-652-1316
NSN 6620-00-831-2737
NSN 5915-01-188-4682
NSN 6240-01-177-1487
NSN 5975-01-322-8183
NSN 2925-01-197-7864
NSN 6240-01-643-6541
NSN 5975-00-086-6949
NSN 5925-01-006-3311
NSN 6320-01-255-2096
NSN 5996-01-276-9420
NSN 5960-00-181-0310