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 6320-01-320-3305
NSN 6650-01-263-5412
NSN 5998-01-541-4467
NSN 6685-01-100-1672
NSN 6220-01-317-8822
NSN 5990-00-633-7634
NSN 5930-01-165-1038
NSN 5950-01-256-8552
NSN 2925-00-555-8836
NSN 6130-01-220-2914
NSN 5975-01-595-7151
NSN 4140-01-128-2701