Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number ANS NEMA PUB NO. CB1 found under Brush Electrical Contact by National Electrical Manufacturers. The National Stock Number assigned to this part is 5977002808411, 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 ANS NEMA PUB NO. CB1.