Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number U530 6420130000 found under Interface Unit Automatic Data Pr by Rad Data Communications Inc. The National Stock Number assigned to this part is 7025015302006, and the Federal Supply Class is 7025 Adp Input Output And Storage Devices. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like U530 6420130000.