DS EN 4645-001:2010 Aerospace Series - Connectors, Optical, Circular, Single And Multipin, Coupled By Threaded Ring, Self-Locking 1,25 Mm Diameter Ferrule With Removable Alignment Sleeve Holder - Part 001: Technical Specification Defines the general characteristics, the conditions for qualification, acceptance and quality assurance, as well as the test programs and groups for threaded ring coupling circular fibre optic self-lo