Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AMD-1088 IT-89 found under Spacer Ring by Appleton Electric Ltd. The National Stock Number assigned to this part is 5365014241252, and the Federal Supply Class is 5365 Bushings Rings Shims And Spacers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like AMD-1088 IT-89.