MTD Hex Lock Nut No. 912-0239. This is an origional hex lock nut 1/2-20 that replaces MTD part number 00023287, 1110152, 158428, 712-0239, GW-1110152, GW-9806, and GW-B1110152.
AYP / Craftsman / Sears Lawn Mower Torsion Spring No. 532123713. This is an original equipment spring. Replaces part numbers 123713, 123713X and 532123713X
Ayp / Craftsman / Sears Suspension Arm Mounting Stud No. 593824001. This is an original equipment mounting stud. Replaces part numbers 195161 and 532195161