Source: Schema.org v30.1 vocabulary. Official mpn property definition.
What does mpn mean?
The Manufacturer Part Number (MPN) of the product, or the product to which the offer refers.
Used on types (domainIncludes)
Expected value types (rangeIncludes)
Schema.org domainIncludes and rangeIncludes are descriptive guidance, not strict validation prohibitions. Check the official reference for updates.
Related reference
Browse all Schema.org types and properties · Google feature support status