Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 041 3689 found under Nut Plain Clinch by Micro Plastics Inc. The National Stock Number assigned to this part is 5310013556682, 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 041 3689.