Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 2163820240 found under Nut Plain Clinch by Crouzet Ltd. The National Stock Number assigned to this part is 5310143292077, 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 2163820240.