Spindle Nut 7/8 In.-14 Hex Size 1-7/16 In. Dorman Nut. NOT ACQ Rated; NOT FQA Compliant. Callout Size: 7/8-14X1-7/16. Fine Thread. Dorman offers a comprehensive variety of nuts for almost any automotive fastening job. All our nuts are constructed of high-quality materials for long-lasting durability.