This standard covers all types of oxygen breathing equipment used in non-military aircraft. It is intended that this standard supplements the requirements of the detail specification or drawings of specific components or assemblies (e.g., regulators, masks, cylinders, etc.). Where a conflict exists between this standard and detail specifications, detail specifications shall take precedence. This extensive revision is an attempt to bring the document up to date with most recent technologies, practices, and procedures which have been applied to the design, fabrication, testing, and packaging of oxygen breathing equipment. In addition, the general document format has been updated to follow the latest SAE editorial policies and procedures, including the correction of minor typos.

Derived from the NASA Safety Standard for Oxygen and Oxygen Systems, this manual specifies minimum guidelines for users to augment from materials selection and design to transportation and emergency procedures. Half the book consists of appended information and graphics on oxygen's properties; mater

This standard applies to pressure reducers for gaseous breathing oxygen systems and for all performance profiles without regard to particular inlet or outlet pressures. Attention is given, however, to construction requirements for reducers with maximum supply pressures to 2250 psig (155 bar) and reduced pressures of 50 to 150 psig (3.4 to 10.5 bar). Recent certification requirements have defined requirements of the oxygen systems more precisely with an effect on the design requirements for oxygen pressure reducers. This update makes the designer aware about these requirements: as the need for Oxygen Hazard Analysis, recommended test methods for oxygen intrinsic hazards verification (pressure shock tests and promoted ignition tests) and requirements for pressure factors (max operating pressure, proof, burst and transient pressures). In addition, this version considers actual references and editorial changes.