The Mössbauer spectroscopy has been used to measure the hyperfine magnetic field and isomer shift of ⁵⁷Fe nuclei in the ordered and disordered Fe₃Al alloys. A linear correlation has been revealed between the average hyperfine field and the average isomer shift for ordered and disordered alloys. On the basis of the Mossbauer investigations a model describing the change of electronic structure of Fe atoms in the Fe₃Al alloys is proposed. The variation of average magnetization in Fe-Al alloys in the range of concentration (0-50) at.% Al is calculated on a basis of determined values of change in number of 4s-Fe and 3d-Fe electrons per one Al atom situated as the nearest neighbours of an Fe atom. A good agreement of the model with the experimental values is found.