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 6685-00-448-0462
NSN 6645-00-383-7783
NSN 6105-00-620-0902
NSN 5920-01-422-3207
NSN 5945-01-253-0357
NSN 6645-01-373-2262
NSN 6645-01-188-5237
NSN 6110-01-212-2664
NSN 5930-01-658-0998
NSN 6220-01-229-5960
NSN 5998-01-196-5068
NSN 5990-00-840-6571