Gold-plated crimp socket for 16-20 AWG
The 171662-5 is a socket contact from the TE Connectivity EconoSeal J Mark II 070 series, accepting 16-20 AWG wire for crimp termination.
Tin-plated peers in the same wire range
The 171662-5 carries gold plating; the 1-1326032-0 and 929989-8 are tin-plated socket contacts in the same 16-20 AWG range, suited to lower-cycle-count applications where cost per contact is the driver.