John Deere Original Equipment Lock Nut - M156416. LOCK NUT, HEX M12 X 1.25.
Specification -
Thread Size: 12.000MM
Thread Pitch: 1.250MM
Thickness: 12.000MM
Width Across Flats: 18.000MM
Wrench Height: 8.300MM
Fits the following John Deere models: 102, 105, 107H, 115, 125, 135, 145, 155C, 170, 175, 180, 185, 240, 245, 260, 265, 285, 320, D100, D105, D110, D125, D130, F510, F525, GT242, GT262, GT275, LA100, LA105, LA115, LA120, LA125, LA130, LA135, LA140, LT133, LT150, LT155, LT160, LT180, LX172, LX173, LX176, LX178, LX186, LX188, S240, X110, X120, X140, X300, X300R, X310, X324, X350R, Z225, Z355E. This is an OEM John Deere part. Thanks for looking!