An item designed to fit over the opening of an engine exhaust pipe or muffler to prevent the entrance of rain or foreign matter into the manifold section of a reciprocating engine while not in use. It is automatically opened when the engine is started by pressure exerted from the exhaust system. It is equipped with a hinging action and may or may not have a counter weight. Excludes cap, protective, dust and moisture seal.
Classification: Parts of engines and motors, nesoi
NSN 5905-00-300-2653
NSN 4140-01-042-9066
NSN 5996-01-065-8561
NSN 6645-01-586-2878
NSN 6105-01-517-6533
NSN 5945-00-762-7687
NSN 5915-00-241-2645
NSN 6650-01-548-3495
NSN 5975-01-067-3962
NSN 5975-01-394-9985
NSN 5990-01-632-0969
NSN 5930-01-451-3929