Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 12116A found under Bearing Ball Annular by D N K. The National Stock Number assigned to this part is 3110001564844, 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 12116A.