Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AA6309A-0 125 found under Spacersleeve by Lyn Tron Inc. The National Stock Number assigned to this part is 5365016974403, 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 AA6309A-0 125.