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 5920-01-270-4562
NSN 5965-00-904-9103
NSN 4140-01-212-7994
NSN 5920-01-413-1219
NSN 5996-01-113-0377
NSN 5996-00-247-3808
NSN 6105-00-936-9771
NSN 7035-00-574-4223
NSN 5930-00-226-8016
NSN 5915-01-104-3982
NSN 6620-01-157-9267
NSN 5925-01-657-3520