Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 2R1503CS found under Nut Self Locking Blind Rivet by Bollhoff Inc. The National Stock Number assigned to this part is 5310001816489, 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 2R1503CS.