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 5950-01-004-0441
NSN 6145-01-485-3846
NSN 6135-01-592-4139
NSN 4140-01-468-7618
NSN 6145-01-299-7871
NSN 6610-00-144-7036
NSN 5996-01-486-9030
NSN 6620-00-706-2481
NSN 6320-00-242-3300
NSN 5960-01-502-6270
NSN 6645-01-467-3182
NSN 5960-01-632-6576