Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 900-0-048-73 found under Roller Bearing by Critical Solutions International In. The National Stock Number assigned to this part is 3110016274532, 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 900-0-048-73.