Smith & Wesson N frame sideplate screw, blue $5.00 Part 33 on the exploded diagram. Used, excellent condition blue sideplate screw from a Model 57, N frame revolver. Will fit other models of N frame revolvers. Out of stock Category: Smith & Wesson Related products Smith & Wesson K frame thumb piece early style, blue $35.00 Smith & Wesson M&P 9mm .40/.357 Recoil Spring 16lb. $14.97