Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 501117-001 found under Case Disk Drive Unit by Ast Computers. The National Stock Number assigned to this part is 7045014200483, and the Federal Supply Class is 7045 Adp Supplies. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 501117-001.