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 5910-01-114-1277
NSN 5985-00-920-7864
NSN 6685-00-877-4185
NSN 5930-01-261-0663
NSN 5990-01-468-1292
NSN 6145-00-493-4073
NSN 6150-00-284-1369
NSN 5920-00-185-9587
NSN 5895-00-055-3049
NSN 5925-01-104-4893
NSN 6240-01-100-7105
NSN 5930-00-718-3850