Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 080-90016-463 found under Lever Horn Valve by Kovatch Corp. The National Stock Number assigned to this part is 2590011957432, and the Federal Supply Class is 2590 Miscellaneous Vehicular Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 080-90016-463.