Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number J34-1 found under Plate Retaining Bearing by W S Darley And Co. The National Stock Number assigned to this part is 3110000242029, 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 J34-1.