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 2925-01-618-5706
NSN 6110-01-607-4079
NSN 5945-01-279-3320
NSN 6645-00-787-8813
NSN 5855-01-509-6872
NSN 5950-01-556-7010
NSN 5998-01-358-5094
NSN 5999-01-465-8739
NSN 6145-01-367-9359
NSN 5855-01-492-6913
NSN 4140-01-202-7853
NSN 6135-01-151-2705