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 6130-01-631-8451
NSN 6110-01-459-5480
NSN 5920-01-234-2368
NSN 5835-01-156-5622
NSN 6220-01-470-9511
NSN 6105-00-153-7967
NSN 6105-00-913-2789
NSN 4140-00-816-0603
NSN 5915-01-146-6725
NSN 5835-00-936-8753
NSN 5895-00-755-2416
NSN 7035-00-931-9415