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 6110-01-367-6526
NSN 4140-01-601-0053
NSN 5905-00-219-2969
NSN 5935-00-276-9413
NSN 5960-00-877-3782
NSN 6610-00-147-3187
NSN 5855-01-184-8089
NSN 5895-00-117-4257
NSN 5975-00-826-6648
NSN 5905-00-881-5718
NSN 5999-01-551-7954
NSN 5930-00-153-1400