Found 6 alternatives for 172879-0003 by WEC. Card Edge Connectors Housings — Box.
EDGELOCK 4-CKT HSG FOR 1.2MM PCB
EDGEMATE 156 HSG RIB 08 CKT GLOW
EDGEMATE 156 HSG HOOK RIB 11 CKT
EDGEMATE 156 HSG HOOK RIB 10 CKT
KK 156 CMP HSG EDGE CARD RIB 12C
EDGEMATE 156 HSG RIB 11 CKT