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 6110-00-102-7491
NSN 6320-00-857-4073
NSN 5945-00-768-8615
NSN 5925-01-120-3837
NSN 4140-00-751-1694
NSN 5975-01-421-4474
NSN 6135-00-866-2311
NSN 6130-01-079-1877
NSN 6130-01-660-5299
NSN 5990-01-555-6616
NSN 5990-01-370-7912
NSN 5935-00-444-8552