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 4140-01-485-2024
NSN 5945-01-417-4030
NSN 6105-00-168-8638
NSN 5910-01-198-9345
NSN 5950-00-182-8204
NSN 5935-01-020-7552
NSN 5910-01-492-8217
NSN 5930-01-224-5029
NSN 5915-00-962-8494
NSN 5996-00-281-4500
NSN 6685-01-409-2748
NSN 6220-01-563-0330