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 6240-01-360-0225
NSN 5915-01-450-7418
NSN 6610-01-520-6889
NSN 6135-01-357-0621
NSN 5999-01-574-6392
NSN 6240-00-013-1282
NSN 5999-01-029-3025
NSN 6105-01-364-8810
NSN 5960-01-335-1622
NSN 4140-01-444-2083
NSN 6110-00-764-9362
NSN 6650-01-442-4950