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 5915-01-197-6218
NSN 6645-01-026-6659
NSN 6220-00-929-2208
NSN 6650-01-219-9411
NSN 6610-01-205-4589
NSN 5895-00-419-3634
NSN 5950-00-038-0716
NSN 5835-01-182-1966
NSN 5920-00-420-8897
NSN 6150-01-150-8074
NSN 5925-01-432-1397
NSN 5910-01-422-3721