RRD 500010 - Wheel Nut, 27mm AF Land-Rover Series 2a, 3, 90/110 Defender, Range-Rover and Discovery 1 £0.50 Quantity: at £0.50 each Add To Basket 15 in stock. Wheel Nut, 27mm AF The 4th and final type of Wheel Nut to be used on Series models. Suitable only for: Series 2a from vehicle suffix 'H' onwards. Series 3, all models 90/110 Defender. Range-Rover with steel wheels. Discovery 1 with steel wheels. Part number supercedes 90/577473 and NTC 7396.