Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5-0015-0309 found under by Pathfinder Equipment Co Inc. The National Stock Number assigned to this part is 3110012758582, 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 5-0015-0309.