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 5930-01-027-0929
NSN 4140-01-382-9517
NSN 6650-01-245-7642
NSN 2925-01-293-6266
NSN 5960-00-421-1054
NSN 2925-00-486-8640
NSN 5950-01-127-2120
NSN 6105-01-234-6611
NSN 5835-00-564-0057
NSN 5975-01-298-6848
NSN 6685-00-133-4778
NSN 2925-01-454-2046