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 4140-01-061-2431
NSN 5999-01-131-1581
NSN 5915-01-643-5786
NSN 5985-01-272-5080
NSN 6220-01-517-8186
NSN 6110-01-429-8668
NSN 6130-01-074-9995
NSN 6110-00-230-4509
NSN 6145-01-444-1668
NSN 6105-01-554-5774
NSN 5835-01-460-6054
NSN 6150-00-231-8273