… Machinery parts, not containing electrical connectors, insulators, coils, contacts or other electrical features, …
Explanatory notes
… ). In general, therefore, the goods of this heading are such as can be recognised as being parts of machines, but not as parts of any particular machine. Subject to these conditions, the heading includes … gas or to prevent dust, etc., from entering, by sealing the surfaces to be joined. The heading also covers propellers …