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 6130-01-591-7947
NSN 5996-01-437-3998
NSN 5999-01-384-3532
NSN 5975-01-391-3477
NSN 5960-00-899-0942
NSN 6110-01-397-8803
NSN 5999-00-497-6366
NSN 6240-00-138-9124
NSN 5895-01-543-5886
NSN 5925-01-208-8010
NSN 6610-00-350-1091
NSN 5996-00-798-2449