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 5998-01-236-9140
NSN 5895-00-176-0157
NSN 5925-01-160-8779
NSN 5985-01-510-9962
NSN 6685-00-149-1600
NSN 6320-01-618-7800
NSN 5960-00-853-8702
NSN 4140-01-394-5655
NSN 5920-00-499-4434
NSN 6620-00-186-8220
NSN 4140-01-429-9060
NSN 6240-01-432-0704