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 6610-00-506-1977
NSN 6610-01-398-8815
NSN 6105-00-410-8343
NSN 5935-00-702-7220
NSN 6320-00-450-7014
NSN 6135-00-284-1406
NSN 6240-00-167-2467
NSN 5930-01-396-2945
NSN 4140-01-543-6489
NSN 6110-01-464-3717
NSN 6685-00-348-6693
NSN 2925-01-446-6976