Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 045 90002 16 found under Flange Companion Nonvehicular Universal Joint by Kovatch Corp. The National Stock Number assigned to this part is 3010012839741, 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 045 90002 16.