Found 5 alternatives for 787131-3 by WEC. D Shaped Connectors Centronics — Bulk,Bulk.
CONN PLUG 50POS STR
CONN RCPT 36POS STR IDC
CONN BTB HD PLUG 36POS R/A SLDR
CONN PLUG 36POS R/A SOLDER
CONN RCPT 50POS STR IDC