In law enforcement contexts (often the in cities like DC or San Diego), "MPD 55" or similar codes are frequently used in radio transmissions or body-worn camera (BWC) footage reports.
: If you can identify a potential manufacturer or supplier, their website might have a product database or a part number search function. MPD-055 -28 -OL
If this report is required for legal or insurance purposes, please follow the specific jurisdictional guidelines: In law enforcement contexts (often the in cities