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 5975-01-104-2917
NSN 6685-01-191-1539
NSN 4140-00-211-5970
NSN 5910-00-141-9419
NSN 5998-00-021-9785
NSN 6150-01-417-2425
NSN 6685-01-247-4881
NSN 5975-01-538-0536
NSN 5998-00-330-3703
NSN 2925-01-190-9352
NSN 5930-01-502-7156
NSN 6610-01-487-6843