Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A-1056A found under Bearing Sleeve by Moffitt Lucian Q Inc Sub Of The. The National Stock Number assigned to this part is 3120011196495, 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 A-1056A.