Rear Lug Nut Fits Ford Tractor Fits:Ford- 8N, Jubilee, NAA; 501, 541, 600, 601, 611, 620, 621, 630, 631, 640, 650, 651, 660, 661, 671, 681, 700, 701, 740, 741, 771, 800, 801, 811, 820, 821, 841, 850, 851, 860, 861, 871, 881, 900, 901, 941, 950, 951, 960, 961, 971, 981, 2000, 2031, 2100, 2111, 2120, 2131, 2150, 2300 1947 and later- Specifications 5/8" x 18 NF thread, 1-1/16" hex This nut may be Cadmium Plated (gold color) or Zinc Plated (sliver color). Replacement Numbers:Replaces PNs:Ford- 8N1134- 16 required per tractor; sold individually All JJAgParts items have been hand selected by our team and are continuously monitored for Quality. Should a craftsmanship or fitment concern be identified, JJAgParts will work with you to stand behind our products. JJAgParts is an American owned and operated family business! Here at JJAgParts, we strive for customer satisfaction. If you are not satisfied with your order, please contact us so we can make it right. Note: OEM Part Numbers are for reference only and should be verified before purchase.