Does ktm front axle works on gasser 2008?

[Azlam denis]

Just bought a original nut axle because my other broke when fixed my flat tire and what i noticed is the nut isnt fitting wich is weird i bought a 2007+ nut for front axle . My bike is a 2008 ec300. Cant ride it didnt rode in 3 weeks… im wodnering if any front acle would work from ktm or other bike brand. And if not. Where i could get a front original axle for a ec300 2008 in europe.
i dont know what to do any tips would help me much. Thanks!