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 4140-01-159-4462
NSN 5925-01-534-3016
NSN 6110-00-961-1100
NSN 6130-01-089-0061
NSN 6150-01-640-6931
NSN 6240-01-372-2039
NSN 5935-00-253-0121
NSN 5996-01-536-6919
NSN 6320-00-931-4855
NSN 4140-01-011-8707
NSN 6650-01-534-8357
NSN 5895-01-406-3729