Crimp termination, tin-plated pin
The 170430-2 is a crimp pin from the EI series, accepting 26-30 AWG wire with a tin-plated contact surface.
Same-series peers at different wire gauges
Within the EI series, the 170430-2 handles 26-30 AWG, while the 1326031-9 is a 16 AWG blade contact and the 929989-8 is a 17-20 AWG socket — all carry tin finish and crimp termination, but wire gauge and contact form differ.