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 5895-00-834-2110
NSN 5935-01-501-9042
NSN 5975-01-464-0675
NSN 5920-00-691-7727
NSN 5935-00-389-7160
NSN 6110-00-010-4545
NSN 5990-01-430-3152
NSN 6645-00-333-3354
NSN 5920-01-529-3785
NSN 5945-00-541-7833
NSN 5960-00-081-1937
NSN 6135-01-124-2376