MIL-N-45938, MILITARY SPECIFICATION: NUT, PLAIN, CLINCH AND NUT, SELF-LOCKING, CLINCH, GENERAL SPECIFICATION FOR (30 SEP 1971) [S/S BY NASM45938]

MIL-N-45938, MILITARY SPECIFICATION: NUT, PLAIN, CLINCH AND NUT, SELF-LOCKING, CLINCH, GENERAL SPECIFICATION FOR (30 SEP 1971) [S/S BY NASM45938]., This specification covers the requirements for nuts which are permanently attached to a structure by pressing the nut shank or collar into a single hole. Anti-rotation and push-out resistance results from cold flow of the structure material into the shank or collar of the nut, or the flaring over the nut shank.