Crimp socket for 22-26 AWG
The 170354-1 is a tin-plated crimp socket from TE Connectivity's EI series, accepting 22-26 AWG wire.
Wire gauge and mating half
The 170354-1 accepts 22-26 AWG wire; the 929989-8 socket in the same series steps up to 17-20 AWG for heavier current duty — the tin contact finish and crimp termination are shared across both.