Jam Nut, Hex Type Heavy Jam, Finish Zinc-Plated, Material Grade/Class Grade A, Material Steel, Thread Size 3/8 In. -16, Hex Height 15/64 in, Dimensional Standards ASME B 18.2. 2, System of Measurement Inch, Thread Direction Right Hand, Pack Size Small Pack, Thread Type Coarse, Package Quantity 100. This item has been restricted from sale in the following state (s): []