part number:
"The set of characters, normally alphanumeric, that identifies a specific manufactured or purchased item and is used in all database, order, inventory and other functions. (Part number , A number which serves to uniquely identify a part. )"

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Definitions of terms related to part number:

• Configuration number
• Kit number
• non-significant part number
• p chart
• part period balancing (PPB)
• parts list
• parts per million (PPM)
• Phase-in -out part
• piece part
• Serial number
• Service parts
• Spare parts