Husqvarna 73930600 Centerlock Nut, 3/8-16UNC For Husqvarna/Poulan/Roper/Craftsman/Weed Eater
Current part number 73930600 replaces previous part numbers 51592, 75159, 75592, 751592, 73750600, 532005394, 873750600, 5394H, 73930600X052, and 532751592