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 6320-00-905-0543
NSN 6130-01-602-5590
NSN 6150-00-518-1402
NSN 5910-01-353-8617
NSN 6685-01-521-2476
NSN 5930-00-269-4996
NSN 5999-01-431-5448
NSN 6645-01-288-5973
NSN 6110-01-511-6638
NSN 6145-01-620-8037
NSN 5855-01-291-6790
NSN 5975-01-152-2635