Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 89Z188 found under Level Cylindrical Circular Vial by Morris Material Handling Inc. The National Stock Number assigned to this part is 5210001956563, 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 89Z188.