Solder termination, tin finish
The 350073-1 is a solder-PCB-terminated socket contact in TE's Commercial MATE-N-LOK series, finished in tin and supplied in bulk.
Crimp siblings in the same series
The 350073-1 is a solder-terminated socket; the series also offers crimp-terminated sockets such as the 929989-8 (17-20 AWG) and the 1-1326032-0 (16 AWG, 31.5µin tin). For a blade contact in the same wire range, the 1326031-9 (16 AWG, crimp) is the mating counterpart.