Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 856-02 found under Charger Battery by Dremel Mfg Co. The National Stock Number assigned to this part is 6130016005103, and the Federal Supply Class is 6130 Converters Electrical Non Rotating. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 856-02.