Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CWK620-10ITEM10 found under Ring Cylinder by Walz And Krenzer Inc. The National Stock Number assigned to this part is 5365006846683, and the Federal Supply Class is 5365 Bushings Rings Shims And Spacers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like CWK620-10ITEM10.