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 6320-01-390-5385
NSN 6135-01-204-8712
NSN 5945-01-473-5821
NSN 6320-01-450-1696
NSN 6150-00-737-2400
NSN 5965-00-693-8829
NSN 5910-01-146-5438
NSN 7035-01-113-6492
NSN 6145-01-515-4640
NSN 6320-01-021-6633
NSN 6220-01-321-7655
NSN 6220-01-545-1397