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 6110-01-146-3769
NSN 5945-00-355-1158
NSN 6105-01-123-8040
NSN 6240-01-381-8713
NSN 5920-01-601-6787
NSN 6145-00-139-3737
NSN 5930-01-646-5697
NSN 7035-01-361-4176
NSN 6150-00-100-4757
NSN 5990-01-187-8594
NSN 4140-00-293-7847
NSN 5930-00-685-0588