Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4450-1023P1 found under Bushing Sleeve by Minnesota Mining And Mfg Co. The National Stock Number assigned to this part is 3120006545250, 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 4450-1023P1.