No. The heading text explicitly excludes glass inners from the parts provision. Replacement glass inner liners are classified in the glass chapter rather than under 9617. Only non-glass parts — such as stoppers, caps, and outer shells — fall within the parts scope of this heading.

A true vacuum-insulated vessel — where the space between the inner and outer walls is evacuated — is classified under 9617. A double-walled mug that relies on an air gap or foam insulation rather than a vacuum is not a vacuum vessel and would typically be classified in the chapter covering household articles of the relevant material (e.g., stainless steel). Confirming the construction method is essential before classification.