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 5905-00-500-9398
NSN 6135-01-633-8502
NSN 6135-00-405-1989
NSN 6685-01-523-0304
NSN 5855-00-427-7848
NSN 5910-01-243-0021
NSN 6620-01-280-3516
NSN 6150-01-366-4065
NSN 5935-01-060-2672
NSN 6150-00-056-4598
NSN 5985-00-114-3915
NSN 5925-00-392-6164