Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number KKK-T-642A IW60 found under Tractor Wheeled Ind by Federal Specifications. The National Stock Number assigned to this part is 2420013189186, and the Federal Supply Class is 2420 Tractors Wheeled. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like KKK-T-642A IW60.