Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PL010421 99 02 IT 052 found under Bearing Ball Annula by Hamworthy Svanehoej A S. The National Stock Number assigned to this part is 3110222692278, 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 PL010421 99 02 IT 052.