Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number UB1019 found under Ring Retaining by Standard Forge And Axle Co Inc. The National Stock Number assigned to this part is 5325002820061, and the Federal Supply Class is 5325 Fastening Devices. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like UB1019.