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 6145-01-589-7530
NSN 5998-01-643-4786
NSN 5915-01-181-7325
NSN 5835-01-071-9310
NSN 6240-01-239-0547
NSN 6320-01-015-9856
NSN 5925-00-482-5779
NSN 7035-01-528-7870
NSN 5985-00-466-3574
NSN 5835-01-254-8584
NSN 5855-00-013-1244
NSN 5930-01-346-0420