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 6220-01-190-0627
NSN 5925-00-290-4451
NSN 6110-00-669-5620
NSN 6620-01-578-7561
NSN 5998-00-247-2036
NSN 5915-00-624-0168
NSN 5920-01-591-4908
NSN 5999-00-471-6061
NSN 5920-01-319-0263
NSN 6610-00-629-1883
NSN 5996-01-153-0531
NSN 6240-01-204-4266