Found 5 alternatives for 5100141-4 by WEC. Backplane Connectors Hard Metric Standard — Bulk,Bulk.
CONN HEADER 72POS 2MM SOLDER
CONN HEADER 110POS 2MM PRESS-FIT
CONN HEADER 220POS 2MM PRESS-FIT
CONN HEADER 80POS 2MM PRESS-FIT
CONN HEADER 154POS 2MM PRESS-FIT