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 5910-00-958-1613
NSN 5990-01-531-0487
NSN 5999-01-451-6080
NSN 5999-00-272-7453
NSN 5950-01-339-7843
NSN 6135-01-235-4168
NSN 4140-01-544-1781
NSN 5950-00-484-7830
NSN 6610-01-480-0586
NSN 6105-01-411-5970
NSN 6220-00-710-3240
NSN 6220-01-370-5091