The 86JB2-202 is a standard 3×4 keypad from Grayhill's Series 83 line, designed for applications requiring reliable tactile input with positive feedback. It features 12 buttons arranged in 3 columns and 4 rows with 0.500" (12.7 mm) center spacing, snap-dome contacts for positive tactile feedback, and post-mounted construction using grooveless retaining rings or heat upset posts. The keypad operates over a temperature range of -40°C to +80°C with a button travel of 0.015" nominal and typical operating force of 350 grams, providing consistent performance across diverse environments. The housing is constructed from black ABS polycarbonate with white ABS plastic buttons and black legends, while the snap-dome contact is stainless steel with selective gold plating. This configuration makes the 86JB2-202 ideal for industrial control panels, telecommunications equipment, and consumer electronics where durable, responsive input interfaces are essential.