Smith & Wesson N frame yoke screw, blue $10.00 Part 34 on the exploded diagram. Used, excellent condition blue yoke screw from a Model 57, N frame revolver. Will fit other models of N frame revolvers. Out of stock Category: Smith & Wesson Related products S&W 59/459/5904 series XP magazine springs 3 pak $34.97 LPA Smith & Wesson M&P Fibre Optic Adjustable Sight Set. $195.00