Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number JK5906C08-B-5 found under Bushing Sleeve by Jo King Incorporated. The National Stock Number assigned to this part is 3120013363950, and the Federal Supply Class is 3120 Bearings Plain Unmounted. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like JK5906C08-B-5.