Y141736R803NB is a 5-tumbler keyed switchlock designed for secure access control in point-of-sale terminals, cash registers, and computer systems. The device features 90° indexing with key-pull capability at position 1, single-pole switching configuration, and a 5-tumbler lock mechanism with stainless steel facing. It is rated for 4 amps at 125 V AC or 28 V DC (Q contact material), with an electrical life of 10,000 make-and-break cycles at full load and contact resistance below 10 mO typical. The switchlock includes anti-static protection exceeding 20 kV DC static resistance at sea level, insulation resistance of 10? O minimum, and dielectric strength of 1,000 Vrms minimum. The unit is supplied with two nickel-plated brass keys and features solder lug termination with hole, making it suitable for secure panel-mount applications requiring reliable keyed switching and access control.