# 18-410 (glass) — Packaging specification equivalence: neck finishes, corrugated grades and pallet standards

For 18-410 (glass), specification type is neck_finish; description is 18 mm glass neck, 410 series (1.5 threaded turn), GPI standard; primary dimension is T 0.694 ± .010 in; secondary dimension is E 0.610 ± .010 in; equivalence or compatibility note is 1.5 threaded turn, recorded from its source on 2026-08-12.

- **Specification ID:** 18-410 (glass)
- **Specification type:** neck_finish _(our reading, not quoted from the source)_
- **Description:** 18 mm glass neck, 410 series (1.5 threaded turn), GPI standard
- **Primary dimension:** T 0.694 ± .010 in.
- **Secondary dimension:** E 0.610 ± .010 in.
- **Equivalence or compatibility note:** 1.5 threaded turn
- **Additional data:** H 0.513 +.013/-.012 in.; S 0.034 +.013/-.012 in.

## What the source says

> 18 | 0.694 ± .010 | 0.610 ± .010 | 0.513 +.013 / -.012 | 0.034 +.013 / -.012

## Source

- https://evergreenresources.com/glass-neck-finish-dimensions/

Last verified: 2026-08-12. Review by: 2028-08-11.
Part of [Packaging specification equivalence: neck finishes, corrugated grades and pallet standards](https://referencesource.org/packaging-material-specification-equivalence/).