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 5990-00-201-1162
NSN 6150-01-084-0282
NSN 5965-01-406-6320
NSN 6620-01-644-3496
NSN 5920-00-964-4538
NSN 5996-01-367-0778
NSN 4140-00-780-6443
NSN 6130-01-238-5499
NSN 5920-01-474-3593
NSN 6220-01-111-9730
NSN 6130-01-182-3675
NSN 5985-01-295-7236