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 6685-01-361-0851
NSN 5835-01-616-6131
NSN 5985-00-447-1729
NSN 5910-01-189-5876
NSN 6650-01-581-7526
NSN 5996-01-156-4092
NSN 6130-01-281-8609
NSN 6620-01-632-9143
NSN 5945-00-399-5897
NSN 5835-01-328-6626
NSN 5935-00-201-2270
NSN 5855-01-477-3241