Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5M8-10-10 found under Cover Terminal Boar by Monogram Aerospace Fasteners Inc. The National Stock Number assigned to this part is 5940006469038, 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 5M8-10-10.