GENERAL DATA 1. SCOPE 1.1 This standard covers the complete general and dimensional data for metric hex jam nuts recognized as American National Standard. 1.2 The inclusion of dimensional data in the standard is not intended to imply that all of the nut sizes in conjunction with the various options described herein are stock items. Purchasers are requested to consult with manufacturers concerning lists of stock production hex jam nuts. 1.3 Hex jam nuts purchased for Governments use shall conform to this standard, and additionally to the requirements of Appendix I.