Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 217224SP found under Bearing Ball Annula by Vaisala Oyj. The National Stock Number assigned to this part is 3110016485075, 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 217224SP.