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 6220-01-203-4559
NSN 6650-01-210-9004
NSN 6320-01-631-7828
NSN 6645-00-907-3404
NSN 2925-01-408-9485
NSN 5920-00-621-0239
NSN 5985-00-571-8980
NSN 5999-01-049-3557
NSN 5855-00-361-0167
NSN 5835-01-453-1547
NSN 6135-01-202-8113
NSN 6645-00-646-6631