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 6110-00-393-1212
NSN 5975-01-438-4275
NSN 6220-01-605-0491
NSN 6135-01-620-3874
NSN 6650-00-971-5054
NSN 5905-01-597-3558
NSN 5996-01-067-8716
NSN 6645-00-406-2564
NSN 6220-00-142-5115
NSN 5985-00-840-9954
NSN 6620-01-655-4591
NSN 6320-00-925-0558