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 6320-01-333-5782
NSN 6150-01-006-3235
NSN 6130-01-621-9231
NSN 4140-01-468-4324
NSN 2925-01-312-9502
NSN 5930-01-506-4397
NSN 5945-01-415-0603
NSN 5990-00-477-1362
NSN 5910-00-890-4737
NSN 6240-01-032-4624
NSN 5975-01-382-1606
NSN 5920-00-935-2275