Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 123WM10476-513 found under Bushing Sleeve by B And B Precision Components Inc. The National Stock Number assigned to this part is 3120011847638, 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 123WM10476-513.