Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number K-5197945 found under Bearing Set Sleeve by Korody Colyer Corp. The National Stock Number assigned to this part is 3120009215389, 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 K-5197945.