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 5945-01-550-9755
NSN 5965-01-367-7380
NSN 6610-01-363-9745
NSN 4140-00-170-5152
NSN 5965-00-829-3804
NSN 5999-01-467-2094
NSN 6105-01-143-4878
NSN 5990-00-524-2293
NSN 5996-01-323-1500
NSN 5999-00-505-5586
NSN 6685-00-770-2052
NSN 5915-01-488-8948