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 6150-01-451-0105
NSN 5996-01-370-6593
NSN 5990-00-067-6791
NSN 7035-00-185-8683
NSN 5950-01-194-9150
NSN 5835-00-092-1136
NSN 6610-01-141-7014
NSN 6145-01-160-7658
NSN 6220-01-049-8835
NSN 4140-01-423-0731
NSN 5996-00-671-6719
NSN 5910-01-306-2795