Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4-2059 found under Vial Tubular Mounte by Geier And Bluhm Inc. The National Stock Number assigned to this part is 5210014825324, 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 4-2059.