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 6610-00-773-3004
NSN 6105-00-972-6423
NSN 5895-00-959-2284
NSN 5905-00-240-4551
NSN 5975-00-099-9312
NSN 5855-01-364-1005
NSN 6105-01-120-8904
NSN 5950-00-837-9080
NSN 6645-00-347-0356
NSN 5965-01-231-9125
NSN 5905-00-872-3252
NSN 6150-01-257-7229