Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number R1707SA8 found under Insert Screw Thread by Alcoa Global Fasteners Inc. The National Stock Number assigned to this part is 5325009435299, and the Federal Supply Class is 5325 Fastening Devices. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like R1707SA8.