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 5915-01-425-8615
NSN 5975-01-528-8299
NSN 4140-01-187-4990
NSN 4140-01-413-4803
NSN 6145-01-568-5428
NSN 5998-01-468-0326
NSN 6685-00-177-6491
NSN 4140-01-578-1559
NSN 7035-01-320-9820
NSN 5905-01-212-1232
NSN 5999-01-486-0658
NSN 6110-01-350-3449