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 6220-00-222-4399
NSN 5985-00-666-2987
NSN 5915-01-281-8559
NSN 6130-01-316-7871
NSN 6150-00-502-9593
NSN 5835-00-807-5632
NSN 5915-01-555-4239
NSN 5930-01-350-4326
NSN 5990-00-933-0526
NSN 5910-01-606-9761
NSN 6650-01-437-8852
NSN 5990-01-250-4198