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 6620-01-126-5504
NSN 4140-01-443-3523
NSN 6130-00-013-7866
NSN 5960-00-331-0173
NSN 5920-01-355-3674
NSN 5945-01-242-5636
NSN 6610-01-523-7096
NSN 6650-00-197-7563
NSN 5960-00-808-6935
NSN 6620-00-096-6306
NSN 5835-01-131-2027
NSN 5950-01-422-2060