S.40213 Castle Nut, Size: 3/4'' UNF Tensile strength: 8.8 Fits Ford/Fits New HolOne New Aftermarket Castle Nut, Size: 3 4'' UNF (Din 935) Tensile strength: 8. 8 Fits Ford New Holland Models: 2000, 2000 US Built, 2100, 2110, 2110LCG, 2120, 2150, 230, 2300, 230A, 231, 231 US Built, 2310, 233, 234, 2600, 2600 US Built, 2600N, 2600V, 2610, 2610 US Built, 2610V, 2810, 2910, 2N, 3000, 3000 US Built, 3010S, 3055, 3100, 3110, 3120, 3150, 3190, 3230, 3300, 3310, 333, 3330, 334, 335, 335 US Built, 3400, 3400 US Built, 3430, 3500, 3500 US