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 5915-00-636-9785
NSN 5905-01-528-9209
NSN 5990-01-463-2279
NSN 6320-01-171-3238
NSN 6620-01-145-7762
NSN 6105-01-599-5240
NSN 5895-01-365-8784
NSN 7035-01-388-6943
NSN 5999-00-773-3100
NSN 4140-01-157-3700
NSN 6220-01-085-2797
NSN 4140-01-365-5555