Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 250-0-003 REV A ITEM NO.2 found under Bearing Spec by Maritime Applied Physics Corporation. The National Stock Number assigned to this part is 3110016026564, 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 250-0-003 REV A ITEM NO.2.