Our 28 gauge wire is part of our Hook Up Wire / Lead Wire line and is also military rated with a Mil-Spec number of M16878/4BCA. This M16878/4BCA is a 28 awg wire with a silver plated copper conductor with a solid stranding, PTFE insulation, and a nominal outside diameter of 0.033. Weighing approximately 2 lbs/MFT, M16878/4BCA is easy to install due to its small size and slippery surface. These cables are generally used in high temperature electronic applications and are ideal for high frequency applications due to their low power loss.