Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 45 25 found under Bearing Roller Needle by Ina Bearing Co Inc. The National Stock Number assigned to this part is 3110010650409, 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 45 25.