Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number IB24 JOHNSON LEVEL found under Level And Plumb by Kipper Tool Company. The National Stock Number assigned to this part is 5210013650065, 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 IB24 JOHNSON LEVEL.