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 6610-00-155-1334
NSN 6240-01-187-3687
NSN 5999-00-116-8983
NSN 6110-00-081-0927
NSN 5925-00-767-0284
NSN 5960-01-367-0981
NSN 6610-00-498-5198
NSN 6220-00-334-7008
NSN 5945-00-230-3944
NSN 5950-00-153-9554
NSN 6150-00-056-6035
NSN 5905-01-629-2963