Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 44145 found under Caliper Dial by General Tools Manufacturing Co Llc. The National Stock Number assigned to this part is 5210014306691, 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 44145.