Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 123AMM10111-511 found under Bushing Special by B And B Precision Components Inc. The National Stock Number assigned to this part is 3120001282403, 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 123AMM10111-511.