Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 71-3230 found under Level Striding by Brunson Instrument Company Inc. The National Stock Number assigned to this part is 5210004963070, 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 71-3230.