Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number LC48 found under Case Level by Johnson Level And Tool Mfg Co Inc. The National Stock Number assigned to this part is 5210014739460, and the Federal Supply Class is 5210 Measuring Tools Craftsmens. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like LC48.