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 5960-01-170-4057
NSN 5835-01-381-4452
NSN 6130-00-877-5743
NSN 6645-01-381-2050
NSN 6650-00-356-5228
NSN 5925-01-514-0274
NSN 5998-01-631-9958
NSN 5930-00-166-0361
NSN 5985-01-273-2198
NSN 5975-01-056-5514
NSN 5835-00-683-4612
NSN 6110-00-156-0430