1.1.1 This standard is intended to cover the complete general and dimensional data for the various types of inch series square and hex nuts recognized as “American National Standard.” Also included are appendixes covering gaging of slots in slotted nuts (Appendix I, page 0-20), wrench openings for nuts (Appendix III, page D-22) and formulas on which dimensional data are based (Appendix II, page D-21). It should be understood, however, that where questions arise concerning acceptance of product, the dimensions in the tables shall govern over recalculation
by formula.

1.1.2 The inclusion of dimensional data in this standard is not intended to imply that all of the products described herein are stock production sizes. Consumers are requested to consult with manufacturers concerning lists of stock production sizes.