BS EN 6140. Aerospace series. Plug, protective, non metallic for flared and flareless fine thread fitting ends|Corrosion tests, Mixing, Tear tests, Elastic constants, Hardness testing, Approval testing, Qualification approval, Quality assurance systems, Quality assurance, Synthetic rubber, Natural rubber, Elastomers, Tensile strength, Aircraft components, Air transport engineering, Static seals, Designations, Density, Elongation, Ethylene-propylene rubber, Compression set, Hardness, Volume, Test specimens, Durability, Environmental testing, Testing, Testing methods, Electrodes, Melting, Air, Steels, Contrast (optical), Measurement, Cables (electric), Test methods, Aerospace transport