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 5996-01-231-4361
NSN 5895-00-393-2512
NSN 6130-00-826-8284
NSN 5950-01-606-9573
NSN 5990-01-372-6047
NSN 5905-00-947-2204
NSN 5965-01-564-8876
NSN 6130-00-191-0550
NSN 6135-01-572-0350
NSN 5998-01-040-9541
NSN 6220-01-204-8916
NSN 5920-00-839-8096