Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5R83 074 found under Bearing Bore Inbora by Meggitt Aircraft Braking Systems. The National Stock Number assigned to this part is 3120012718974, and the Federal Supply Class is 3120 Bearings Plain Unmounted. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 5R83 074.