DIN EN 4644-201 : 2016 Title: Aerospace series - Connector, electrical and optical, rectangular, modular, rectangular inserts, operating temperature 175 °C (or 125 °C) continuous - Part 201: Locking and polarizing hardware - Product standard; German and English version EN 4644-201:2015 Year: 2016 Publisher: DIN Media GmbH Availability: Within 1-2 working days