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 5920-01-257-6643
NSN 5998-00-307-4205
NSN 5935-00-234-4873
NSN 5990-00-230-5352
NSN 5835-00-461-9984
NSN 5950-01-323-6674
NSN 5915-00-747-9679
NSN 7035-01-319-7066
NSN 2925-01-423-8141
NSN 5855-01-066-2882
NSN 6150-01-162-9013
NSN 5996-01-430-3960