Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B-19576GM15612 found under Indicator Dial by Scott Fetzer Company The. The National Stock Number assigned to this part is 5210004516411, 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 B-19576GM15612.