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 5915-01-600-6998
NSN 5950-01-340-5625
NSN 5975-01-254-7000
NSN 6320-01-157-9076
NSN 6150-01-190-0624
NSN 5915-01-514-7136
NSN 4140-01-328-8614
NSN 5990-00-982-4382
NSN 5910-01-393-9644
NSN 5920-00-189-6930
NSN 6220-01-325-6645
NSN 6240-01-283-0404