A supersonic molecular beam of scandium imide, ScNH, and deuterated imide, ScND, were produced using a laser ablation/reaction source and interrogated by laser induced fluorescence and dispersed fluorescence spectroscopy. The field free fine and magnetic hyperfine interactions and Stark effect in the (0,0) (A) over tilde(2) Pi(r)-(X) over tilde(2) Sigma(+) transition of ScNH (origin=15 023.033 cm(-1)) were analyzed. Ground state vibrational spacing for ScNH and ScND was measured. The determined permanent electric dipole moments are mu((A) over tilde(2) Pi)=4.08(7)D and mu((X) over tilde(2) Sigma(+))=2.28(15)D. Plausible molecular orbital descriptions are given for the (A) over tilde(2) Pi(r) and (X) over tilde(2) Sigma(+) states based upon the interpretation of the spectroscopic parameters and a comparison with other isovalent molecules is made.