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 6130-01-255-3492
NSN 5920-01-104-6198
NSN 5999-01-167-6190
NSN 5998-00-149-0726
NSN 6645-01-452-6760
NSN 6320-00-894-1644
NSN 6645-01-199-7553
NSN 6685-01-152-7303
NSN 4140-01-545-0270
NSN 6110-01-073-0088
NSN 5915-01-428-6681
NSN 4140-00-159-8471