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 4140-00-880-7804
NSN 5965-01-200-6613
NSN 5855-01-042-7990
NSN 5835-00-572-7445
NSN 2925-01-197-7864
NSN 6240-00-585-8138
NSN 6645-00-296-8310
NSN 6320-01-512-2031
NSN 6150-01-237-3291
NSN 6320-01-267-0586
NSN 6320-00-186-6452
NSN 5990-01-348-9829