Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 11DSB4580PC25 found under Nut Round by Aurora Pump. The National Stock Number assigned to this part is 5310003917976, 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 11DSB4580PC25.