Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1K4061 found under Retainer Rod End Lo by Caterpillar Inc. The National Stock Number assigned to this part is 5340013576221, and the Federal Supply Class is 5340 Hardware Commercial. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 1K4061.