Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 389902P3 found under Bushing Sleeve by Slabe Machine Products Co The. The National Stock Number assigned to this part is 3120008090265, 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 389902P3.