820-1740 is a PAD Series socket contact manufactured from Phosphor Bronze and Tin plated for wire size 0.13～0.33 mm2 (26～22 AWG) with an insulation diameter of 1.0～1.5 mm.

PAD Series Cable Assemblies have SPH-001T-P0.5L contacts crimped on both ends for use in PADP Series Receptacle Housings, see stock number 820-1728 typical.
820-1743 is 150 mm long.
820-1747 is 300 mm long.