Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 172 10248 found under Transistor by Power One Dc Power Supplies. The National Stock Number assigned to this part is 5961014292834, and the Federal Supply Class is 5961 Semiconductor Devices And Associated Hardware. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 172 10248.