Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3K8107 found under Grommet by Caterpillar Inc. The National Stock Number assigned to this part is 5325000030716, and the Federal Supply Class is 5325 Fastening Devices. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 3K8107.