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 6320-00-270-8222
NSN 5920-00-445-3585
NSN 4140-01-211-0957
NSN 5998-01-211-6752
NSN 6220-01-090-0126
NSN 5960-01-149-1261
NSN 6150-01-540-8370
NSN 4140-01-054-0289
NSN 6130-01-364-0340
NSN 6610-01-232-4802
NSN 5990-01-191-9624
NSN 6620-01-542-9999