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 5905-01-500-1365
NSN 5950-01-165-9677
NSN 6650-01-320-6627
NSN 5935-01-167-7060
NSN 6320-01-272-7072
NSN 5945-00-809-6497
NSN 2925-01-556-0333
NSN 5996-01-447-4276
NSN 6135-01-054-2462
NSN 5905-00-006-7134
NSN 5910-01-364-8381
NSN 5905-01-026-2161