Keystone Electronics Corp. 2 Cell Leaf Spring Contact 288

Part number 288 is a two-cell leaf spring contact designed for battery compartments, with two separate leaf contacts allowing a divider between batteries. It is made of 0.012 inch (.30 mm) spring steel with nickel plating, and is rated to clip onto walls between 0.060 inch (1.52 mm) and 0.070 inch (1.78 mm) thick. The contact has sharp barbs for secure anchoring and a 0.175 inch (4.4 mm) diameter terminal for wire connection. Dimensions include a 0.254 inch (6.5 mm) width, 0.820 inch (20.8 mm) length, and 0.570 inch (14.5 mm) height, with a 0.250 inch (6.4 mm) typical spring length. The design supports cell types including A, AA, CR2, 17500, 18350, and 18650.