Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number K641245-17 found under Bushing Sleeve by Kaman Aerospace Corporation. The National Stock Number assigned to this part is 3120014835252, 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 K641245-17.