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 5920-01-157-9471
NSN 5910-01-146-3363
NSN 5945-00-494-5091
NSN 6150-01-574-1861
NSN 6645-01-030-0662
NSN 5996-01-155-3022
NSN 5965-00-251-2529
NSN 6650-00-628-2018
NSN 5998-01-591-8326
NSN 6150-00-468-0752
NSN 5990-01-304-7597
NSN 6220-00-468-5801