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 5925-01-420-7589
NSN 5996-01-464-7963
NSN 5950-01-167-0084
NSN 6645-00-442-0475
NSN 6645-01-241-4300
NSN 6150-01-654-2356
NSN 5999-00-962-5774
NSN 4140-01-467-3620
NSN 5996-01-118-1686
NSN 6240-01-273-0193
NSN 5935-01-468-2705
NSN 5999-01-133-5518