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 5999-01-290-2732
NSN 5965-01-360-0454
NSN 6320-01-457-2805
NSN 5905-01-557-5395
NSN 4140-01-517-9148
NSN 5960-00-962-5391
NSN 5975-01-146-8932
NSN 6145-00-421-0968
NSN 5925-01-259-7785
NSN 6220-00-102-7158
NSN 5985-01-494-8403
NSN 5998-00-962-1401