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 6620-00-927-6177
NSN 6220-00-390-1170
NSN 5999-01-067-9985
NSN 5999-01-420-8939
NSN 4140-01-495-3768
NSN 5975-01-327-2316
NSN 2925-01-492-5342
NSN 5998-01-595-8869
NSN 5965-01-591-6939
NSN 6320-01-268-3072
NSN 6135-00-767-0331
NSN 5950-01-502-9565