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 5905-01-134-1219
NSN 5930-01-004-9916
NSN 5950-01-480-7154
NSN 6610-01-165-0232
NSN 5985-00-285-0798
NSN 4140-00-817-6009
NSN 5910-01-652-0645
NSN 5895-01-367-6531
NSN 6135-00-145-8884
NSN 5895-01-007-7331
NSN 5905-01-166-5970
NSN 5895-00-505-2362