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 5915-01-375-4416
NSN 5910-00-469-5400
NSN 5960-00-699-8146
NSN 5960-01-547-6699
NSN 5985-00-905-6609
NSN 5905-01-382-6965
NSN 6685-00-239-5330
NSN 5965-01-473-0328
NSN 5998-00-161-0099
NSN 5915-00-934-3446
NSN 5960-00-922-2943
NSN 4140-01-343-7302