Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 870455700 found under Bearing Sleeve by Johnson Rubber Co The. The National Stock Number assigned to this part is 3120013888023, 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 870455700.