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 5950-00-307-4831
NSN 5895-00-009-4382
NSN 6105-01-503-3974
NSN 5920-01-161-8120
NSN 5998-00-118-4463
NSN 5935-01-634-0668
NSN 2925-01-330-2988
NSN 6620-01-633-8443
NSN 6145-00-091-1079
NSN 5905-01-048-9167
NSN 6105-01-421-4457
NSN 5985-00-202-1104