Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 211 SD found under Indicator Dial by B C Ames Incorporated. The National Stock Number assigned to this part is 5210010587482, 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 211 SD.