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 5930-01-602-5066
NSN 4140-01-230-3276
NSN 5950-00-197-5794
NSN 6105-01-634-0322
NSN 5855-01-211-2437
NSN 2925-01-251-2989
NSN 5855-00-174-3482
NSN 5945-01-422-4195
NSN 5930-00-155-5917
NSN 5945-01-545-7817
NSN 6620-01-192-0543
NSN 6135-00-152-8729