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 5960-01-386-5770
NSN 2925-00-149-0760
NSN 5985-01-304-2243
NSN 5905-00-591-9246
NSN 6105-01-135-2787
NSN 5930-01-155-0004
NSN 5835-00-153-4100
NSN 2925-00-320-5607
NSN 5950-01-519-2709
NSN 4140-01-194-6181
NSN 5895-01-062-0002
NSN 5998-01-152-4777