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 5999-00-316-3591
NSN 6220-00-162-5047
NSN 6620-01-645-1777
NSN 6110-01-313-2263
NSN 6135-01-383-0151
NSN 4140-01-415-6013
NSN 2925-01-320-6512
NSN 6620-01-510-3501
NSN 5965-01-490-6704
NSN 5905-01-063-1710
NSN 6650-01-068-3687
NSN 6220-01-303-9442