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 4140-01-552-3652
NSN 6130-00-988-3257
NSN 5920-01-082-2761
NSN 5910-01-212-3090
NSN 5910-01-077-7112
NSN 5950-00-376-9739
NSN 5910-01-360-6092
NSN 5998-01-217-0603
NSN 5905-01-393-1471
NSN 6620-01-392-7191
NSN 6105-00-575-9720
NSN 5985-00-493-6652