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 5910-01-375-6036
NSN 5998-00-104-8286
NSN 2925-01-154-2949
NSN 6620-01-067-8336
NSN 6610-01-432-5144
NSN 5905-00-686-4555
NSN 7035-00-628-3471
NSN 4140-01-097-5229
NSN 6105-00-810-2446
NSN 5915-00-358-2407
NSN 6685-00-707-4842
NSN 5998-00-019-9007