Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PR3201-1 found under Brush Set Electrical Contact by The Electric Tachometer Corp. The National Stock Number assigned to this part is 5977003123916, and the Federal Supply Class is 5977 Electrical Contact Brushes And Electrodes. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like PR3201-1.