What it fits
The 1-929974-4 is the 2.5mm System power stamped socket — 17-20 AWG, silver-plated copper alloy, crimp termination with insulation support.
Crimp termination accepts 17-20 AWG (0.5~1.0mm²) stranded wire. The insulation support feature relieves strain at the crimp barrel exit. Tin termination finish on the crimp barrel — the silver contact finish is on the mating interface only.
