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 5945-01-511-0749
NSN 5925-00-168-8626
NSN 6320-00-674-1361
NSN 5905-01-381-7351
NSN 5920-01-411-5512
NSN 6610-01-313-5185
NSN 5905-00-369-9365
NSN 6135-00-125-5265
NSN 6110-00-961-1100
NSN 5910-01-196-6153
NSN 5915-01-162-0074
NSN 4140-00-501-7833