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 6620-01-248-0358
NSN 5990-01-309-3740
NSN 7035-01-556-1117
NSN 5930-00-387-0611
NSN 5975-01-236-3354
NSN 6145-01-510-2949
NSN 6130-01-242-8945
NSN 5910-01-211-4363
NSN 6650-01-406-5322
NSN 6105-01-461-8718
NSN 6110-01-561-0249
NSN 6610-00-276-5030