ARRMA:ARAC9698 AR708007 Flanged Lock Nut 5x8mm (4) by ARRMA $9.99 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Includes 4 x M5 Large Flange Lock Nut. These Flanged Lock Nuts provide an ideal replacement part for your kit items.