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 5950-01-043-3553
NSN 5915-00-234-0809
NSN 5950-01-142-3653
NSN 5990-01-443-2931
NSN 6650-01-484-5014
NSN 6620-00-081-7899
NSN 5990-00-301-3386
NSN 5985-01-238-7922
NSN 6130-00-159-1104
NSN 5996-01-383-1478
NSN 5920-00-140-1492
NSN 5855-01-522-9161