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 5999-01-231-2690
NSN 5895-00-371-6614
NSN 5960-00-726-0580
NSN 6220-01-584-3388
NSN 5925-00-186-0765
NSN 5935-00-222-7549
NSN 4140-00-580-2742
NSN 6110-01-558-2023
NSN 5915-00-201-7090
NSN 5990-00-488-1091
NSN 5930-01-419-7006
NSN 5975-01-381-3543