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 6685-01-275-3973
NSN 5930-00-787-1290
NSN 5905-01-517-9579
NSN 6320-01-600-5808
NSN 6320-01-532-7491
NSN 5985-00-894-1251
NSN 2925-00-779-3410
NSN 6105-01-103-3127
NSN 6650-00-486-7924
NSN 5950-01-513-0136
NSN 5996-00-823-8487
NSN 5960-01-381-2478