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 5935-01-040-1333
NSN 5975-01-044-5419
NSN 5999-01-068-1786
NSN 6150-01-487-4525
NSN 6135-01-260-7180
NSN 6685-01-574-6703
NSN 6220-00-722-4497
NSN 6610-01-406-4985
NSN 5910-01-160-7584
NSN 5990-01-184-6830
NSN 6130-01-520-4568
NSN 6320-00-557-3079