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 5999-01-263-6976
NSN 6220-01-236-7825
NSN 6130-01-245-9226
NSN 5925-00-092-0578
NSN 5835-01-225-0372
NSN 5920-00-821-0078
NSN 5985-01-509-3597
NSN 5950-01-320-2844
NSN 6105-00-314-6832
NSN 5950-00-300-0245
NSN 5910-01-153-0304
NSN 5990-00-679-4358