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 4140-01-215-4935
NSN 7035-00-392-5417
NSN 6320-00-937-5625
NSN 6650-00-168-1502
NSN 5996-01-153-2359
NSN 6645-01-310-7348
NSN 2925-00-724-9252
NSN 5935-01-202-2850
NSN 5930-01-365-1491
NSN 6105-01-292-5169
NSN 5930-01-578-6075
NSN 6105-01-394-5721