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 6150-01-227-5650
NSN 6685-00-880-4599
NSN 4140-01-259-2715
NSN 5905-00-195-1781
NSN 5950-01-570-4438
NSN 6145-00-338-5645
NSN 6320-01-659-2819
NSN 5996-01-447-9973
NSN 5920-00-642-9908
NSN 6130-00-331-1652
NSN 6650-01-604-9073
NSN 6135-01-190-2628