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 5910-01-203-3910
NSN 6105-01-510-8848
NSN 6610-01-646-9101
NSN 6105-00-388-6572
NSN 6650-01-300-1667
NSN 6135-01-100-3593
NSN 5855-01-131-9336
NSN 6620-01-453-6764
NSN 5950-00-117-4705
NSN 5945-00-812-7239
NSN 4140-00-395-0027
NSN 6150-01-628-3046