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 5990-01-598-8769
NSN 5975-01-196-2906
NSN 6105-01-656-0530
NSN 6240-01-144-5898
NSN 7035-00-574-4223
NSN 6320-01-567-9792
NSN 4140-00-318-0159
NSN 5998-01-069-1029
NSN 6650-01-174-0928
NSN 5945-00-231-0037
NSN 5835-00-341-5441
NSN 6130-01-076-5612