EN 4531-001:2007 Aerospace series - Connectors@ optical@ circular@ single and multipin@ coupled by threaded ring - Flush contacts - Part 001: Technical specification
2017EN 4531-001:2017 Aerospace series - Connectors, optical, circular, single and multipin, coupled by triple start threaded ring - Flush contacts - Part 001: Technical specification
2012EN 4531-001:2012 Aerospace series - Connectors, optical, circular, single and multipin, coupled by triple start threaded ring - Flush contacts - Part 001: Technical specification
2007EN 4531-001:2007 Aerospace series - Connectors@ optical@ circular@ single and multipin@ coupled by threaded ring - Flush contacts - Part 001: Technical specification