item number; part number; stock number
Used in business, manufacturing, and retail contexts to refer to a unique identifier for a product or component.
Please tell me the part number for this component.
If you search by item number, you'll find it right away.
Please check the part's item number before ordering.
You can search by item number on this website.
The item number in stock didn't match the order form.
Compound of 品 (hin, 'item, goods') and 番 (ban, 'number').