Cap Nut, Material Grade/Class 316, Material Stainless Steel, Finish Plain, Thread Size #4-40, Overall Height 0.25 in, Hex Width 1/4 in, Tensile Strength 75,000 psi, Dimensional Standards SAE J483, Material Quality Standards AISI Grade 316, ASTM, System of Measurement Inch, Pack Size Small Pack, Resistance Properties , Rockwell Hardness B80/90, Thread Direction Right Hand, Package Quantity 5