Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AS5-73CR found under Transmission Hydrau by Borgwarner Inc. The National Stock Number assigned to this part is 3010012435373, and the Federal Supply Class is 3010 Torque Converters And Speed Changers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like AS5-73CR.