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 5925-01-467-0020
NSN 6110-01-042-9343
NSN 6610-01-531-6311
NSN 5925-01-315-3203
NSN 5925-01-329-9472
NSN 7035-00-349-8571
NSN 4140-01-602-9257
NSN 5895-01-325-4737
NSN 5985-01-601-5107
NSN 5930-00-540-0900
NSN 4140-01-422-8443
NSN 5930-01-344-0519