Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A0SGB2420X0H found under Bearing Roller Needle by A O Smith Corporation. The National Stock Number assigned to this part is 3110001981069, 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 A0SGB2420X0H.