DCN for Vacuum pod tops: D0900859-v5, D0900649-v D0900859-v5 GS-13 Top Fixed NORCAL-Flange callout from 1000-800NT to 1000-800N D0900649-v5 Trillium Top Fixed NORCAL-Flange callout from 1000-800NT to 1000-800N N = Non rotatable NT = Non rotatable, Tapped holes