Husqvarna 532400234 Top Lock Flange Nut, 9/16-inch For Husqvarna/Poulan/Roper/Craftsman/Weed Eater Husqvarna, Poulan, Poulan Pro, Roper, Sears/Craftsman, and Weed Eater 532400234 Top Lock Flange Nut, 9/16-inch Current part number 532400234 replaces previous part number 178342 and 400234. Replacement part for many brands including Husqvarna, Poulan, Poulan Pro, Roper, Sears/Craftsman, and Weed Eater Original equipment manufacturer replacement part 1-year warranty for defects in material or workmanship