Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 120-0-50MADC found under Ammeter by Triplett Bluffton Corporation. The National Stock Number assigned to this part is 6625000795891, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 120-0-50MADC.