Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MB1248 found under Base Plate Body by Thorlabs Inc. The National Stock Number assigned to this part is 2540016682382, and the Federal Supply Class is 2540 Vehicular Furniture And Accessories. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like MB1248.