# Oxygen Mixtures Over 23.5% — CGA cylinder valve connection number by gas

For Oxygen Mixtures Over 23.5%, source chart is Matheson; cga connection number is 296; which chart the row is from is Mixed Gases, recorded from its source on 2026-08-28.

- **Gas:** Oxygen Mixtures Over 23.5% _(verified: appears in the quote below)_
- **Source chart:** Matheson _(our reading, not quoted from the source)_
- **CGA connection number:** 296 _(verified: appears in the quote below)_
- **Which chart the row is from:** Mixed Gases _(our reading, not quoted from the source)_

## What the source says

> Oxygen Mixtures Over 23.5% 296

## Source

- https://us.nipponsanso.com/pdfs/gasequipment/CGA-Connection-Chart.pdf

Last verified: 2026-08-28. Review by: 2028-08-27.
Part of [CGA cylinder valve connection number by gas](https://referencesource.org/cga-cylinder-valve-connection-by-gas/).