No other part numbers with same form, fit, and function found.
An item consisting of a metal frame in which is inserted a flat metal plate mounted on a shaft. The plate, fluctuating automatically according to changes in atmospheric pressure, controls the stack or flue draft and maintains an absolute constancy of draft regardless of varying weather conditions.
NSN 6610-01-139-4713
NSN 4140-01-279-1749
NSN 6240-01-032-5105
NSN 6685-00-356-2540
NSN 4140-01-435-7515
NSN 6240-01-411-5630
NSN 5835-00-073-0790
NSN 6650-01-602-5070
NSN 6150-01-575-7624
NSN 5990-01-174-4469
NSN 2925-01-543-0073
NSN 5965-00-936-8713