Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 59C6190 found under Nut Sleeve by San Antonio Air Logistics Center. The National Stock Number assigned to this part is 5310002794211, 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 59C6190.