Back Home / Fasteners / Nuts / BRASS LOCK NUT NYLON UNC 5/16″-18 BRASS LOCK NUT NYLON UNC 5/16″-18 SKU: XLN5618BR Categories: Fasteners, Nuts Hexagonal shape Nylon Lock Nut Nylon material creates pressure against the fastener Forces the bottom threads of the fastener against the top threads of the bolt Creates a better hold Locks the nut into place so it will not vibrate loose Corrosion Resistant Brass Case Quantity: 100 Log In For Pricing