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SAE AS4941 Revision B, March 1, 2015
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(R) Aerospace - General Requirements for Commercial Aircraft Hydraulic Components
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AIA/NAS Aerospace Standards
This SAE Aerospace Standard (AS) provides general requirements for components that are used in commercial aircraft hydraulic systems. It also includes the 14 CFR Part 25/CS 25 regulations that apply to hydraulic components.

It also provides information to be included in the Procurement Specification in Appendix A and a checklist for design reviews in Appendix B.

It does not provide requirements for distribution elements such as hoses, pipe fittings and general tubing.

Field of Application

It is recommended that this document should be used in conjunction with the Procurement Specification for a hydraulic component.