This requirement is to procure a NSN: 1680-01-205-1178 RK PEDAL ASSEMBLY,CONT The Aft Crew station rudder pedal Linkages assembly that converts foot pressure inputs into electrical signals to control ... This requirement is to procure a NSN: 1680-01-205-1178 RK PEDAL ASSEMBLY,CONT The Aft Crew station rudder pedal Linkages assembly that converts foot pressure inputs into electrical signals to control the rudder,brakes and nosewheel steering. cast aluminum