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 6685-00-470-8651
NSN 6650-01-328-8363
NSN 5960-01-235-5358
NSN 6110-01-139-6930
NSN 6645-01-388-0391
NSN 5998-01-582-6894
NSN 6650-01-386-5787
NSN 7035-01-373-6782
NSN 2925-00-026-0005
NSN 5945-00-975-3525
NSN 5950-01-258-2181
NSN 5996-01-330-4869