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 5855-01-337-0245
NSN 5950-00-863-3561
NSN 6145-01-485-7179
NSN 5925-01-354-6097
NSN 5915-00-079-1011
NSN 5999-01-068-1786
NSN 5990-01-043-9816
NSN 5996-01-427-8435
NSN 6320-00-306-0124
NSN 6220-01-497-7229
NSN 5996-00-213-7121
NSN 5920-01-031-1199