Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RU74+33-A2 found under Ring Electrical Contact Brush Ho by Conductix Inc. The National Stock Number assigned to this part is 5977013644591, 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 RU74+33-A2.