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 6240-01-373-4530
NSN 5835-00-422-1441
NSN 5915-01-592-3411
NSN 6145-01-239-2674
NSN 6105-01-189-3576
NSN 5920-01-612-4771
NSN 5855-01-300-2301
NSN 6105-00-991-1844
NSN 6150-01-145-5156
NSN 5905-01-654-9660
NSN 5925-00-597-1558
NSN 4140-00-765-7748