Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 612T14-20 found under Caliper Micrometer by Cooper Industries Inc. The National Stock Number assigned to this part is 5210003038044, 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 612T14-20.