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 6645-01-425-2330
NSN 6620-00-992-5876
NSN 5985-00-925-4161
NSN 4140-00-106-0997
NSN 5960-00-981-6854
NSN 6130-01-174-4208
NSN 5910-00-728-7381
NSN 5915-01-443-3881
NSN 5945-01-364-9321
NSN 6150-01-007-4275
NSN 5855-01-433-3197
NSN 5915-00-979-8225