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 5945-01-054-3722
NSN 5920-00-959-5664
NSN 5975-01-505-1874
NSN 5990-01-516-9665
NSN 6610-01-412-0058
NSN 2925-00-915-1827
NSN 6610-00-935-7131
NSN 6105-01-325-3673
NSN 5998-00-211-5510
NSN 6685-01-577-6405
NSN 6685-01-269-4440
NSN 7035-00-870-0290