Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A590024D found under Control Assembly Tr by Allison Transmission Holdings Inc. The National Stock Number assigned to this part is 2520015549359, and the Federal Supply Class is 2520 Vehicular Power Transmission Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like A590024D.