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 6105-01-105-0042
NSN 5960-00-581-9719
NSN 5965-01-231-9125
NSN 5990-01-372-6047
NSN 6645-01-140-8204
NSN 5905-00-910-2411
NSN 2925-00-572-0454
NSN 5999-00-299-1207
NSN 5945-01-212-9604
NSN 6610-01-336-8027
NSN 5975-01-200-7059
NSN 5945-01-258-9688