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 4140-01-010-0615
NSN 6110-01-409-2692
NSN 5905-00-260-5008
NSN 6135-01-449-2144
NSN 5920-01-634-0250
NSN 5930-01-572-6267
NSN 5950-01-415-3910
NSN 6240-00-921-7679
NSN 6135-01-547-6822
NSN 5895-01-589-6106
NSN 6150-01-396-9948
NSN 6620-01-566-3456