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 6620-01-508-6072
NSN 5835-01-193-6192
NSN 4140-00-465-7668
NSN 6105-01-200-0959
NSN 6130-01-616-6338
NSN 5935-01-284-9109
NSN 6135-00-793-1809
NSN 5920-01-504-1216
NSN 6240-01-521-9781
NSN 6220-01-194-7274
NSN 5910-00-342-4338
NSN 6130-00-861-2589