Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 12Z10841-4 found under Bearing Roller Self Aligning by Bae Systems Land And Armaments L P. The National Stock Number assigned to this part is 3110009235142, and the Federal Supply Class is 3110 Bearings Antifriction Unmounted. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 12Z10841-4.