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 5930-00-816-0047
NSN 6135-00-557-8874
NSN 6620-00-568-3947
NSN 6145-01-112-0397
NSN 6620-01-058-8676
NSN 6130-01-381-7103
NSN 5960-01-246-4809
NSN 5835-01-519-2916
NSN 5930-01-014-5084
NSN 6320-00-004-9158
NSN 5895-01-348-2607
NSN 5915-00-148-8253