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 5999-01-312-9467
NSN 5950-01-328-8215
NSN 6645-00-513-6516
NSN 5855-00-012-1958
NSN 5945-01-277-6791
NSN 5975-01-291-8364
NSN 6650-00-185-8344
NSN 5935-01-618-0575
NSN 6320-01-478-9351
NSN 6645-00-086-9346
NSN 5905-00-363-9689
NSN 5985-01-336-6672