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 6620-00-663-8962
NSN 5915-00-614-6173
NSN 5910-01-420-0965
NSN 5930-01-248-8329
NSN 5999-01-360-8731
NSN 6220-01-131-9997
NSN 6130-00-905-1179
NSN 5990-00-613-2279
NSN 6685-00-491-3781
NSN 5905-00-740-8205
NSN 5960-01-466-1994
NSN 6135-01-387-0754