The 63919-1 is an uninsulated brass quick disconnect tab designed for wire crimp termination in Faston receptacle systems. It features a wire crimp tab type with a tab fit dimension of 4.75 × 0.81 mm, manufactured from brass material for reliable electrical conductivity and corrosion resistance. The product is EU RoHS/ELV compliant and is intended for use with Faston straight receptacles equipped with F-crimp features. This tab is commonly used in automotive, industrial control, and appliance wiring harnesses where quick-disconnect functionality and secure wire termination are required.