ISO 7169:2014 Aerospace - Separable tube fittings for fluid systems, for 24° cones, for pressures up to 3000 psi or 21000 kPa - Procurement specification, inch/metric
ISO 7257:2016 Aircraft - Hydraulic tubing joints and fittings - Rotary flexure test
BS ISO 9538:2017 history
2017BS ISO 9538:2017 Aerospace series. Hydraulic tubing joints and fittings. Planar flexure test