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 6110-01-360-3487
NSN 6220-00-475-9283
NSN 5895-00-270-6595
NSN 6650-01-660-9275
NSN 2925-01-531-3872
NSN 5965-01-326-7886
NSN 6150-01-384-9457
NSN 5910-01-012-7855
NSN 6240-00-841-0189
NSN 2925-00-408-9829
NSN 6220-00-797-7436
NSN 6145-01-093-4446