Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number K3M48C found under Bushing Sleeve by Pentair Pump Group Inc. The National Stock Number assigned to this part is 3120012050486, 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 K3M48C.