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 6105-00-642-2056
NSN 6650-01-375-0507
NSN 6220-00-927-0543
NSN 6645-01-505-5772
NSN 5935-01-378-4304
NSN 5835-01-459-7428
NSN 7035-01-290-9770
NSN 5930-00-067-9607
NSN 6145-01-337-5554
NSN 6135-01-517-6060
NSN 5925-01-285-0362
NSN 5910-00-229-8887