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 5915-01-451-4332
NSN 5905-01-634-0595
NSN 2925-01-560-0517
NSN 5996-01-492-6948
NSN 6135-00-255-1340
NSN 5920-01-381-0514
NSN 5945-00-629-3129
NSN 6135-01-036-3495
NSN 5965-00-142-9052
NSN 5985-00-769-6968
NSN 5960-00-140-9583
NSN 5996-01-305-7039