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 5895-01-661-1625
NSN 5998-01-506-9184
NSN 5999-01-197-4695
NSN 6150-00-485-8853
NSN 4140-01-249-4450
NSN 5905-01-634-0595
NSN 5975-00-593-4615
NSN 5998-00-564-7433
NSN 6220-01-071-6096
NSN 4140-00-660-8699
NSN 5905-01-469-6376
NSN 5996-01-044-2465