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 5855-01-088-8700
NSN 5835-01-442-6482
NSN 5920-01-326-2706
NSN 6650-00-597-7313
NSN 6685-01-063-0559
NSN 4140-01-083-1919
NSN 5996-01-607-7035
NSN 6240-01-570-5976
NSN 5996-01-133-8211
NSN 5960-01-469-5874
NSN 5855-01-513-9601
NSN 6135-00-405-1989