# Our Structure

## Part Number Structure

Team 4469 has a systematic approach to assigning part numbers so we never have duplicated part numbers while allowing the part number to have meaning. Our part numbers consist of four separate criteria that then are formed into the part number.

| **Character Number(s)** | **1-2**                                | **3**      | **4-5**                                  | **6**                             | **7-8**              |
| ----------------------- | -------------------------------------- | ---------- | ---------------------------------------- | --------------------------------- | -------------------- |
| Item                    | Last 2 digits (YY) of the current year | Always a - | Unique 2 digit (##) subsystem identifier | Subsystem assembly identifier (%) | Part identifier (@@) |

These are then combined as shown below to create a unique 8 character part number

**YY-##%@@**

## Obsolete Parts

If a part needs to no longer be used, please change the part number to OBS-PN. In Monday, this can be done in the subitem by checking the OBS column.


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