Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TCR65 found under Nut Self Locking Slotted Hexagon by Alcoa Global Fasteners Inc. The National Stock Number assigned to this part is 5310009009421, 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 TCR65.