Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number K9478172PC1 found under Roller Linear Rotar by General Electric Inc. The National Stock Number assigned to this part is 3120006824823, 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 K9478172PC1.