Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 74A410690-2001 found under Bearing Sleeve by Blair Industries Inc. The National Stock Number assigned to this part is 3120011211778, 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 74A410690-2001.