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 6105-00-839-1511
NSN 5920-00-937-9917
NSN 6135-01-500-0572
NSN 5950-01-328-2814
NSN 5930-01-480-4323
NSN 5895-01-532-1317
NSN 5905-01-322-4554
NSN 5990-01-361-6424
NSN 5930-00-772-7828
NSN 6620-01-239-9564
NSN 5905-01-490-3454
NSN 4140-01-648-4791