Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number GFP601NL12B found under Nut Plain Spline by Alcoa Global Fasteners Inc. The National Stock Number assigned to this part is 5310012876290, and the Federal Supply Class is 5310 Nuts And Washers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like GFP601NL12B.