Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 61D10257-1 found under Tube Assy Cable Gui by Ogden Air Logistics Center. The National Stock Number assigned to this part is 6920002038473, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 61D10257-1.