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 6240-00-228-8594
NSN 6240-01-391-0399
NSN 6685-01-557-4868
NSN 4140-01-553-8505
NSN 5910-00-375-5045
NSN 6685-00-166-2509
NSN 5905-01-381-7351
NSN 6150-01-012-7350
NSN 6620-01-265-0632
NSN 6320-01-281-6028
NSN 5855-00-149-0766
NSN 6110-01-265-1080