Found 5 alternatives for 5-530520-1 by TE Connectivity AMP Connectors. Card Edge Connectors Contacts — Bulk,Box.
TERM EDGE AMP LF SLDR EYELET
TERM EDGE TWIN LF 20-24AWG CRIMP
TERM EDGE AMP LF 18-22AWG CRIMP
TERM EDGE AMP LF 16AWG CRIMP
TERM EDGE AMP LF CRIMP GOLD