MS51959-30

6-32X, 500LG, FLT, HD MS51959-30 refers to a Mil-Spec (Military Standard) machine screw with a 6-32 thread size, a 1/2 inch length, a Phillips drive, an 82-degree flat (countersunk) head, and is typically made from 300 series stainless steel. These screws are designed for use in military, aerospace, and other applications where a flush-mounted, reliable fastener is required