The Husqvarna 532409148 Flange Hex Lock Nut, superseded to 532409149, is a genuine OEM part that ensures secure fastening with its flange design. Sized 3/8-16, it's made from durable, corrosion-resistant materials to withstand harsh conditions. Easy to replace and compatible with various Husqvarna models, it offers reliable performance for securing components in your equipment.