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 5895-01-197-7401
NSN 6110-00-974-2046
NSN 6620-01-338-6073
NSN 5990-01-443-2931
NSN 6135-01-399-8230
NSN 6150-01-206-6492
NSN 5950-01-218-8951
NSN 4140-01-100-1223
NSN 5835-01-097-5151
NSN 5950-00-028-3512
NSN 6105-01-632-3606
NSN 5999-01-412-2128