Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number R0NDELLE DI 5T XC55-XC90 CDB found under Washer Lock by Direction Centrale Du Materiel De. The National Stock Number assigned to this part is 5310142160398, 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 R0NDELLE DI 5T XC55-XC90 CDB.