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 6620-01-154-3527
NSN 4140-01-147-9258
NSN 5905-01-139-6055
NSN 5960-01-077-4551
NSN 6650-01-399-8552
NSN 6685-01-400-2945
NSN 5985-00-606-8809
NSN 5945-00-577-2997
NSN 5925-01-075-8932
NSN 6620-00-684-6771
NSN 6145-00-054-2915
NSN 6650-01-165-2175