HEXAGON NUT HEXAGON NUT WITH FLANGE 9/16-18 x 1.010 IN GR2 CLEAR ZINCHusqvarna part number 596 13 48-01 (596134801)Suits the following modelsHusqvarnaModel
LOCK NUT PREVAILING TORQUE METAL HEX NUT W FLANGE 5/16-18 x 0.68 IN ST CLEAR ZINCHusqvarna part number 596 13 57-01 (596135701)Suits the following modelsHusqvarnaModel
LOCK NUT PREVAILING TORQUE TYPE HEXAGON NUT 1/2-13 x 0.609 IN ST CLEAR ZINCHusqvarna part number 596 13 56-01 (596135601)Suits the following modelsHusqvarnaModel