This SAE Aerospace Information Report (AIR) lists military and industry specifications@ standards@ recommended practices and information reports used in the design of aerospace hydraulic and pneumatic components and systems. It is intended as a supplement to specifications ARP4752@ AS5440@ and MIL-P-5518. Only those hardware standards specifically applicable to hydraulic or pneumatic components or systems are listed in this document. Purpose The purpose of this document is to provide a single document that lists active aerospace hydraulic and pneumatic specifications@ standards@ recommended practices and information reports.