Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A12712 found under Coupler Drawbar Ball Socket by Stewart Precision Corp. The National Stock Number assigned to this part is 2540013046171, and the Federal Supply Class is 2540 Vehicular Furniture And Accessories. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like A12712.