PSK 1139 - Lokut Nut, Washer and Drive Screw Set Land-Rover Series 3 and 90/110 Defender £0.95 Quantity: at £0.95 each Out of Stock Out of stock. Lokut Nut, Washer and Drive Screw Set Used to secure floor plates and gearbox tunnel on Series 3 and 90/110 Defender models. Stainless steel washer and drive screw. Series 3, 4-cylinder models use 5 sets. Series 3, 6-cylinder models use 17 sets. Series 3, 109 V8 models use 22 sets. 90/110 Defender, 4-cylinder models use 34 sets. 90/110 Defender, V8 models use 25 sets. See CZA 4705 for Plastic Lokut Nut only.