Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 00880400 found under Caliper Set Microme by Sikorsky Aircraft Corporation. The National Stock Number assigned to this part is 5210008690472, 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 00880400.