NAS1352C06-10
6-32 X .625, CAP, SC - length: 5/8, thread: 6-32, socket head, corrosion resistant steel, passivated, NAS1352 series screw
NASA6MC
6-32 X .625, CAP, SC - length: 5/8, thread: 6-32, socket head, corrosion resistant steel, passivated, NAS1352 series screw