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 5925-01-378-0038
NSN 5835-01-538-1804
NSN 6610-00-935-7131
NSN 5990-01-024-9659
NSN 6620-00-974-7595
NSN 5998-01-473-4114
NSN 4140-01-135-4617
NSN 5935-00-053-9529
NSN 6105-00-527-2193
NSN 5965-01-030-0108
NSN 5925-00-052-7771
NSN 6240-00-253-7611