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 5910-01-633-9963
NSN 6135-01-633-8502
NSN 5999-00-596-8745
NSN 6645-01-362-2587
NSN 6320-00-731-6134
NSN 6135-01-204-3882
NSN 6135-01-347-0201
NSN 6240-01-191-5643
NSN 6105-01-312-8419
NSN 6105-01-040-5665
NSN 7035-00-215-3272
NSN 6105-01-099-0242