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 2925-01-250-2731
NSN 5925-01-135-9391
NSN 5915-00-111-1905
NSN 5935-00-529-0407
NSN 6145-01-594-2389
NSN 6105-01-584-1562
NSN 6135-00-179-0538
NSN 6150-01-534-9295
NSN 4140-01-091-7269
NSN 6145-01-535-7505
NSN 5905-01-203-7427
NSN 6610-00-350-1091