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 6240-01-307-5094
NSN 5999-01-160-7145
NSN 6240-01-279-0552
NSN 6620-00-916-3134
NSN 5998-01-272-8528
NSN 6320-01-412-2973
NSN 6645-01-110-1334
NSN 6135-00-209-6918
NSN 5985-00-733-7711
NSN 5985-01-621-3702
NSN 5855-01-472-2554
NSN 2925-00-233-5644