Jackshaft Nut / MTD 912-0417APack Size:1Cub Cadet 712-0417A, MTD 912-0417A, MTD 712-0417A, Toro 112-0330Laser 97861, NHC 274-6604, Oregon 04-015, Ratio Parts 22-750, Rotary 10228MTD 600 and 800 series Nut can be used on blade or pulley side