Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SA3-16A found under by I S O Roulements. The National Stock Number assigned to this part is 3110001981458, 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 SA3-16A.