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 6620-01-640-6761
NSN 6685-01-110-6563
NSN 6130-00-281-5978
NSN 4140-01-083-5870
NSN 7035-01-283-2536
NSN 6110-01-221-4593
NSN 5835-00-170-5238
NSN 6110-01-340-0127
NSN 6220-01-135-6092
NSN 6135-01-050-3194
NSN 5999-01-276-4333
NSN 6150-01-274-2070