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 6610-01-447-2560
NSN 6645-00-968-6118
NSN 6610-01-384-1587
NSN 5930-00-117-0282
NSN 2925-01-163-6716
NSN 5975-01-421-4474
NSN 6610-01-521-2438
NSN 2925-01-300-2897
NSN 5999-01-288-9008
NSN 6220-00-010-5359
NSN 6105-01-241-2451
NSN 6110-01-108-8246