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 5998-00-630-5695
NSN 6650-01-522-6691
NSN 5910-01-246-3873
NSN 4140-01-065-9367
NSN 5895-00-240-5651
NSN 5945-01-096-4719
NSN 4140-01-400-3610
NSN 5915-01-441-7857
NSN 5996-01-540-5817
NSN 5998-01-513-9898
NSN 6610-00-450-0796
NSN 6130-00-547-3318