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 6220-01-634-0660
NSN 5996-01-259-1041
NSN 5945-01-477-1888
NSN 2925-01-442-7812
NSN 6150-00-842-3177
NSN 5999-01-575-5047
NSN 5855-01-634-0259
NSN 6110-01-203-7760
NSN 5935-01-201-8468
NSN 5965-01-357-7595
NSN 4140-00-365-2531
NSN 5835-01-653-7806