Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AB899A found under Spacer Plate by Acrow Corp Of America. The National Stock Number assigned to this part is 5365015430533, 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 AB899A.