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 5930-00-556-7752
NSN 5920-00-411-3138
NSN 6645-00-421-5287
NSN 5975-00-968-6124
NSN 6135-00-209-6918
NSN 5999-01-222-8428
NSN 5999-00-286-6231
NSN 6240-00-361-1421
NSN 6650-01-006-9593
NSN 5990-00-582-0342
NSN 6685-00-081-4958
NSN 6610-01-328-1523