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 5945-01-383-0625
NSN 5935-00-593-0064
NSN 5999-01-205-7162
NSN 5945-01-492-9907
NSN 6135-00-087-5300
NSN 5990-00-306-0222
NSN 6110-01-227-2617
NSN 5855-00-014-5008
NSN 6320-01-452-2394
NSN 5990-00-600-6151
NSN 5990-00-155-2306
NSN 5945-01-487-5208