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 6685-01-242-5827
NSN 6620-01-502-1656
NSN 5960-00-972-9297
NSN 5935-00-816-9923
NSN 5855-01-165-6361
NSN 5950-01-251-2820
NSN 5950-00-477-6520
NSN 5998-01-064-4637
NSN 5996-00-871-5734
NSN 5999-00-927-5721
NSN 6240-01-437-4936
NSN 6135-00-967-3112