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 5985-01-207-0952
NSN 5920-01-123-5212
NSN 6645-01-286-3378
NSN 5965-00-779-9546
NSN 6105-01-474-1054
NSN 6650-01-390-1674
NSN 5910-01-359-8909
NSN 5925-00-290-4451
NSN 4140-01-407-4192
NSN 6150-01-530-4260
NSN 5975-01-544-6094
NSN 6150-01-231-1008