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 5975-00-983-5239
NSN 5895-00-513-0249
NSN 6220-01-654-6416
NSN 5905-00-697-2761
NSN 5925-00-834-0272
NSN 5930-01-425-5804
NSN 6685-01-049-3726
NSN 5998-01-348-7147
NSN 7035-00-488-9765
NSN 6145-01-013-4068
NSN 5905-00-250-0699
NSN 5985-01-261-1203