18 is inserted in the key slot 14 of the cylinder the tip 19 of the key engages the tip 21 of the actuator lever and causes it to pivot axially outward and upward as the key is moved longitudinally into the slot as the key is further inserted the tip 21 of the actuator lever 20 rides on the side edge 42 of the key blade forcing the activator tip 21 into engagement with the outer end of tip 37 of the actuator plunger leg 36 this urges the plunger and spool against the spring 34 advancing tip 33 of the actuating plunger leg 32 outward from the plunger housing to engage and energize a corresponding controlled component not shown an alternative embodiment of the invention is shown in fig3 and 4 as there shown an axial sliding actuator 120 is housed in an elongate actuator cavity 123 which intersects the plunger cavity at 40 the actuator 120 includes an upper leg 121 having a rounded tip 122 which intercepts the key slot 14 of the cylinder 12 the opposite end of the actuator 120 terminates in an extension leg 124 having a tip 125 which is in axial alignment with tip 37 of the actuator plunger leg 36 as the key 18 is inserted into the key slot 14 the tip 19 of the key engages the rounded tip 122 of the actuator causing the actuator to ride axially and radially along the.