Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number KL16K4T12-21 found under Plateidentification by Kenco Construction Products Inc. The National Stock Number assigned to this part is 2590016907424, 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 KL16K4T12-21.