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 5985-01-110-8962
NSN 5990-00-422-2093
NSN 5996-01-367-1410
NSN 6130-01-193-0471
NSN 6110-01-255-9892
NSN 5965-00-339-2743
NSN 6240-00-364-0850
NSN 4140-00-892-5952
NSN 6150-01-445-5920
NSN 5999-00-427-0350
NSN 5895-01-580-5768
NSN 5975-00-948-3633