chio nut kernel were 15.7, 7.3, 7.9, 9.6 mm, 0.56 g, 47.7 mm2, 81 %, 38 %, 1076.2 kg/m3, 508.5 kg/m3 and 6.26 m/s respectively. In addition, the static coefficient of friction of pistachio nut and its kernel were evaluated as functions of moisture content.