The 598-2402-02 is a brass round thru-hole standoff spacer manufactured by Concord, designed to provide precise spacing and electrical isolation between printed circuit boards and mounting surfaces. This standoff features a 0.250" (1/4") outer diameter with a 0.129" clearance hole for #4 screws and is constructed from brass per ASTM B16 with standard nickel finish. The product is available in multiple heights ranging from 0.125" to 1.000", with board thickness options from 1/32" to 1/8", and maintains a tolerance of 2% of dimension plus 0.012". These standoffs are commonly used in electronic assemblies, telecommunications equipment, and industrial control systems where reliable board-to-chassis spacing and vibration isolation are required.