Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 445-00-15X found under Bit Screwdriver by Apex Supply Co. The National Stock Number assigned to this part is 5120014306271, and the Federal Supply Class is 5120 Hand Tools Nonedged Nonpowered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 445-00-15X.