> For the complete documentation index, see [llms.txt](https://manual.firstresonance.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://manual.firstresonance.io/features/parts-and-trace/part-revision-interchangeability.md).

# Part revision interchangeability

If your organization has a policy that all revisions for the same part number are fully interchangeable, you can configure ION to follow suit.

{% hint style="info" %}
Use this functionality when your organization enforces that part numbers have the same form, fit, and function and uses different part numbers when not the same form, fit, and function.
{% endhint %}

Toggle on this option in organization settings (/settings/organization).

<figure><img src="/files/L5ARLmsZZHP6Jq4GcyfM" alt=""><figcaption></figcaption></figure>

Once enabled, while kitting or installing, you will be able to consume inventory that has the same part number as the required part even if it's a different revision.

Note the aBOM below, where Rev C is required, but a Rev B has been installed.

<img src="/files/HFg5xqaAIeQJveXNGc5p" alt="" data-size="original">


---

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