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 6130-01-451-4256
NSN 5895-00-404-8438
NSN 5998-00-393-4753
NSN 5950-00-829-3877
NSN 5935-00-248-5919
NSN 4140-01-397-6138
NSN 7035-01-104-5446
NSN 6645-00-258-8547
NSN 5925-01-038-7925
NSN 5945-01-115-5845
NSN 5999-01-633-1244
NSN 4140-01-248-2087