DOD-P-63464A, MILITARY SPECIFICATION: PIN, GROOVED, HEADLESS-LONGITUDINAL GROOVE, METRIC, GENERAL SPECIFICATION FOR (07 DEC 1979) [NO S/S DOCUMENT]
DOD-P-63464A, MILITARY SPECIFICATION: PIN, GROOVED, HEADLESS-LONGITUDINAL GROOVE, METRIC, GENERAL SPECIFICATION FOR (07 DEC 1979) [NO S/S DOCUMENT]., This specification covers metric headless-grooved pins having longitudinal grooves.