Molex 639000200 obsolete applicator replacement.
The recommended replacements offered by Molex are 0639031000, DigiKey part number 0639031000-ND also obsolete replaced by part number 0638087900 DigiKey part number 900-0638087900-ND
Can be verified on the product pages for the original on the Molex website.
https://www.molex.com/en-us/products/part-detail/639000200
https://www.molex.com/en-us/products/part-detail/639031000
https://www.molex.com/en-us/products/part-detail/638087900
Please review the datasheets to ensure the alternative will work for your application.