Grade A Pistachio Nuts / Roasted Pistachio Nuts / Sweet Pistachio Dried Pistachio. Roasted Salted/Unsalted Pistachio Nuts opened and closed pistachios naturally and mechanically opened pistachios raw and roasted pistachios no additives 100% natural size 18-34 processing raw closed nuts maximum 5% small nuts maximum 5% deformed nuts maximum 2% nuts of another sort maximum 6% foreign objects maximum 1% mechanical open not allowed moisture content maximum 4,5% mold not allowed output kernel at least 54% partially disclosed nuts (by weight) maximum 10% kernels without shell maximum 1% empty shells maximum 1%