MIL-P-20700A, MILITARY SPECIFICATION: PIN, GROOVED, HEADLESS, LONGITUDINAL GROOVE (17 MAR 1965) [S/S BY NASM20700]
MIL-P-20700A, MILITARY SPECIFICATION: PIN, GROOVED, HEADLESS, LONGITUDINAL GROOVE (17 MAR 1965) [S/S BY NASM20700]., This specification covers headless grooved pins having longitudinal grooves (see 6.1).