SAE AS4941B
Current
Current
The latest, up-to-date edition.
Aerospace - General Requirements for Commercial Aircraft Hydraulic Components
Available format(s)
Hardcopy , PDF
Language(s)
English
Published date
09-03-2015
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1. SCOPE
2. REFERENCES
3. REQUIREMENTS
4. QUALITY ASSURANCE REQUIREMENTS
5. ACCEPTANCE TESTS
6. QUALIFICATION TESTS
7. NOTES
APPENDIX A - PROCUREMENT SPECIFICATION FOR COMMERCIAL
AIRCRAFT HYDRAULIC COMPONENTS
APPENDIX B - COMPONENT DESIGN CHECKLIST
This SAE Aerospace Standard (AS) provides general requirements for components that are used in commercial aircraft hydraulic systems.
| DocumentType |
Standard
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| Pages |
53
|
| PublisherName |
SAE International
|
| Status |
Current
|
| SupersededBy | |
| Supersedes |
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.
| SAE ARP 1281 : 2002 | ACTUATORS: AIRCRAFT FLIGHT CONTROLS, POWER OPERATED, HYDRAULIC, GENERAL SPECIFICATION FOR |
| SAE ARP4493A | Aerospace - Direct Drive Servovalves |
| SAE AS595D | Aerospace – Civil Type Variable Delivery, Pressure Compensated, Hydraulic Pump |
| SAE ARP994B | Design of Tubing Installations for Aerospace Hydraulic Systems |
| SAE ARP1311C | Landing Gear Structures and Mechanisms |
| SAE ARP4378C | Accumulator, Hydraulic, Welded Bellows, Factory Pre-Charged |
| SAE ARP5812 | Actuators, Linear Mechanical, General Specification Guide |
| SAE AS 5466 : 2012 | AEROSPACE - GENERAL REQUIREMENTS FOR HYDRAULIC FUSE - QUANTITY MEASURING |
| 14/30310862 DC : 0 | BS EN 4832 - AEROSPACE SERIES - ADAPTOR, PIPE COUPLING 24 DEGREES CONE UP TO 35000 KPA (5080 PSI) RING-LOCKED FITTING AND RING-LOCKED FITTING-REDUCER - INCH SERIES - TECHNICAL SPECIFICATION |
| SAE AS5586 | Aerospace - General Requirements for Hydraulic System Reservoirs |
| SAE AS5000C | Fitting, Plug-in Union, Ring Locked, 24 Degree Cone, Fluid Connection, 5080 psi (35 000 kPa), Specification for |
| SAE ARP6154 | Aerospace Fluid Power Electrohydrostatic Module, Design, Performance and Test Recommendations |
| SAE ARP4752B | Aerospace - Design and Installation of Commercial Transport Aircraft Hydraulic Systems |
| SAE ARP4763 | Aerospace - General Requirements for Hydraulic Relief Valves |
| SAE AS 5467 : 2016 | GENERAL REQUIREMENTS FOR HYDRAULIC FUSE - FLOW RATE |
| SAE ARP4925B | Aerospace Design and Installation of Commercial Transport Helicopter Hydraulic Systems |
| SAE ARP 4379 : 2016 | AEROSPACE - ACCUMULATOR, HYDRAULIC, CYLINDRICAL, PISTON SEPARATED |
| SAE ARP 988 : 2016 | ELECTROHYDRAULIC MECHANICAL FEEDBACK SERVOACTUATORS |
| SAE AS3129C | PLUG, EXPANSION - CRES, 303, LONG, STD AND .010 OVERSIZE DIAMETERS, UNS S30300 |
| SAE AS4716B | Gland Design, O-ring and Other Elastomeric Seals |
| SAE AMS 2447 : 2012 | COATING, THERMAL SPRAY, HIGH VELOCITY OXYGEN/FUEL PROCESS |
| SAE ARP1288B | Placarding of Aircraft Hydraulic Equipment to Identify Phosphate Ester Fluid Compatibility |
| SAE AMS2412K | Plating, Silver Copper Strike, Low Bake |
| SAE AMS 2424 : 2010 | PLATING, NICKEL LOW-STRESSED DEPOSIT |
| MIL-DTL-5002 Revision E:2011 | SURFACE TREATMENTS AND INORGANIC COATINGS FOR METAL SURFACES OF WEAPONS SYSTEMS |
| SAE AS3123B | PLUG, EXPANSION - ALUMINUM, 2024-T4 AND 2024-T351, SHORT; STD AND .010 OVERSIZE DIAMETERS, UNS A92024 |
| SAE AMS2404G | Plating, Electroless Nickel |
| SAE AS567K | Safety Cable, Safety Wire, Key Washers, and Cotter Pins for Propulsion Systems, General Practices for Use of |
| SAE AMSQQP416E | Plating, Cadmium (Electrodeposited) |
| SAE AMSA8625 | Anodic Coatings for Aluminum and Aluminum Alloys |
| MIL-STD-704 Revision F:2004 | AIRCRAFT ELECTRIC POWER CHARACTERISTICS |
| ASTM B 339 : 2012 : REDLINE | Standard Specification for Pig Tin |
| SAE AS3127B | PLUG, EXPANSION - CRES, 416 OR 416SE, SHORT; STD AND .010 OVERSIZE DIAMETERS, UNS S41600/UNS S41623 |
| SAE AS1300D | PORT - RING LOCKED FLUID CONNECTION TYPE STANDARD DIMENSIONS FOR |
| MIL-STD-810 Revision G:2008 | ENVIRONMENTAL ENGINEERING CONSIDERATIONS AND LABORATORY TESTS |
| SAE ARP4754A | Guidelines for Development of Civil Aircraft and Systems |
| SAE AS5729A | O-RING MOLDED FROM AMS7379 (FLUOROCARBON) MATERIAL |
| SAE AS4273A | Fire Testing of Fluid Handling Components for Aircraft Engines and Aircraft Engine Installations |
| SAE AS3581 | PACKING, PREFORMED – O-RING SEAL AMS7259 |
| MIL-PRF-5606 Revision H:2002 | HYDRAULIC FLUID, PETROLEUM BASE; AIRCRAFT, MISSILE, AND ORDNANCE |
| SAE AMS 2409 : 2016 | PLATING, IMMERSION TIN FOR ALUMINUM ALLOYS |
| SAE AS5169A | FITTING, PORT PLUG AND BLEEDER |
| SAE AMS7276H | Rubber: Fluorocarbon (FKM) High-Temperature-Fluid Resistant Low Compression Set For Seals In Fuel Systems and Specific Engine Oil Systems |
| SAE AMS 2449 : 2004 | GRINDING OF HVOF SPRAYED TUNGSTEN CARBIDE COATINGS APPLIED TO HIGH STRENGTH STEELS |
| NASM33547:2011 | PINS, SPRING, FUNCTIONAL LIMITATIONS OF |
| SAE AS3208 | PACKING, PREFORMED - AMS 7276 - SEAL |
| ASTM B 545 : 2013 : REDLINE | Standard Specification for Electrodeposited Coatings of Tin |
| NAS 1613 : 2002 | PACKING, PREFORMED, ETHYLENE PROPYLENE RUBBER |
| SAE AMSR83485A | Rubber, Fluorocarbon Elastomer, Improved Perfrormance At Low Temperatures |
| SAE AMSP83461 | Packing, Preformed, Petroleum Hydraulic Fluid Resistant, Improved Performance at 275°F (135°C) |
| SAE AS568D | Aerospace Size Standard for O-rings |
| SAE AS 5857 : 2010 | GLAND DESIGN, O-RING AND OTHER ELASTOMERIC SEALS, STATIC APPLICATIONS |
| SAE AMS2448B | Application of Tungsten Carbide Coatings on Ultra High Strength Steels High Velocity Oxygen / Fuel Process |
| MIL-HDBK-454 Revision B:2007 | GENERAL GUIDELINES FOR ELECTRONIC EQUIPMENT |
| MIL-STD-889 Revision C:2016 | DISSIMILAR METALS |
| SAE AS3126B | PIN, EXPANSION - CRES, 416 OR 416SE, LONG, UNS S41600/UNS S41623 |
| SAE AS6235A | Face Seal Gland Design, Static, O-ring and Other Seals for Aerospace Hydraulic and Pneumatic Applications |
| SAE AS3132B | PIN, EXPANSION - CRES, 303, SHORT, UNS S30300 |
| SAE AIR4543C | Aerospace Hydraulics and Actuation Lessons Learned |
| MIL-PRF-87257 Revision C:2017 | HYDRAULIC FLUID, FIRE RESISTANT, LOW TEMPERATURE, SYNTHETIC HYDROCARBON BASE, AIRCRAFT AND MISSILE |
| MIL-STD-464 Revision C:2010 | ELECTROMAGNETIC ENVIRONMENTAL EFFECTS REQUIREMENTS FOR SYSTEMS |
| SAE AMSC5541A | Chemical Conversion Coatings on Aluminum and Aluminum Alloys |
| SAE AMS7287 | Fluorocarbon Elastomer (FKM) High Temperature / HTS Oil Resistant / Fuel Resistant Low Compression Set / 70 to 80 Hardness, Low Temperature Tg -22 °F (-30 °C) For Seals in Oil / Fuel / Specific Hydraulic Systems |
| SAE AMS2423E | Plating, Nickel Hard Deposit |
| SAE AS83461/2B | STRAIGHT THREAD TUBE FITTING BOSS O-RING MOLDED FROM AMS-P-83461 RUBBER |
| SAE AMS7259E | Rubber: Fluorocarbon (FKM) High Temperature/Fluid Resistant Low Compression Set/85 to 95 Hardness For Seals In Fuel Systems and Specific Engine Oil Systems |
| SAE AMS 2413 : 2013 | PLATING, SILVER-RHODIUM |
| SAE ARP1870A | Aerospace Systems Electrical Bonding and Grounding for Electromagnetic Compatibility and Safety |
| SAE ARP4727B | Gland Design, Computation of Seal Squeeze and Gland Volume |
| SAE ARP5935 | Use of HVOF Thermal Spray Coatings for Hard Chrome Replacement in Landing Gear Applications |
| MIL-STD-276 Revision A:1992 | IMPREGNATION OF POROUS METAL CASTINGS AND POWDERED METAL COMPONENTS |
| SAE AS3128C | PIN, EXPANSION - CRES, 416 OR 416SE, SHORT, UNS S41600/UNS S41623 |
| MIL-DTL-38999 Revision M:2015 | Connectors, Electrical, Circular, Miniature, High Density, Quick Disconnect (Bayonet, Threaded or Breech Coupling), Environment Resistant with Crimp Removable Contacts or Hermetically Sealed with Fixed, Solderable Contacts, General Specification for |
| SAE AS 8879 : 2004 | SCREW THREADS - UNJ PROFILE, INCH CONTROLLED RADIUS ROOT WITH INCREASED MINOR DIAMETER |
| MIL-STD-461 Revision G:2015 | REQUIREMENTS FOR THE CONTROL OF ELECTROMAGNETIC INTERFERENCE CHARACTERISTICS OF SUBSYSTEMS AND EQUIPMENT |
| SAE AMS2411H | Plating, Silver for High Temperature Applications |
| SAE AS83461/1B | M83461 O-RING MOLDED FROM AMS-P-83461 RUBBER |
| SAE AMS2406N | Plating, Chromium Hard Deposit |
| SAE MA2010 | Packing, Preformed - O-Ring Seal Standard Sizes & Size Codes, Metric |
| SAE ARP210A | Definition of Commonly Used Day Types (Atmospheric Ambient Temperature Characteristics Versus Pressure Altitude) |
| SAE AS 8775 : 1998 | HYDRAULIC SYSTEM COMPONENTS, AIRCRAFT AND MISSILES, GENERAL SPECIFICATION FOR |
| SAE AS4088C | Aerospace Rod Scraper Gland Design Standard |
| SAE AS1241D | Fire Resistant Phosphate Ester Hydraulic Fluid for Aircraft |
| SAE AMS7379 | Rubber: Fluorocarbon Elastomer (FKM) 70 to 80 Hardness, Low Temperature Sealing Tg −40 °F (−40 °C) For Elastomeric Seals in Aircraft Engine Oil, Fuel and Hydraulics Systems |
| MIL-PRF-83282 Revision D:1997 | HYDRAULIC FLUID, FIRE RESISTANT, SYNTHETIC HYDROCARBON BASE, METRIC, NATO CODE NUMBER H-537 |
| SAE AS3121A | PLUG, EXPANSION, ALUMINUM, 2024-T4 AND 2024-T351, LONG; STD AND .010 OVERSIZE DIAMETERS (UNS A92024) |
| SAE AMSR83485/1A | RUBBER, FLUOROCARBON ELASTOMER, IMPROVED PERFORMANCE AT LOW TEMPERATURES, O-RINGS, SIZES AND TOLERANCES |
| SAE AS3122A | PIN, EXPANSION - ALUMINUM, 2024-T4 AND 2024-T351, LONG (UNS A92024) |
| SAE AMS2403M | Plating, Nickel General Purpose |
| SAE AS1290B | Graphic Symbols for Aircraft Hydraulic and Pneumatic Systems |
| SAE AS 4059F : 2013 | AEROSPACE FLUID POWER - CONTAMINATION CLASSIFICATION FOR HYDRAULIC FLUIDS |
| SAE AMS2410K | Plating, Silver Nickel Strike, High Bake |
| ISO 3601-1:2012 | Fluid power systems — O-rings — Part 1: Inside diameters, cross-sections, tolerances and designation codes |
| SAE AS3209 | PACKING, PREFORMED - AMS 7276, \'O\' RING |
| SAE AS3125C | PLUG, EXPANSION - CRES, 416 OR 416SE, LONG; STD AND .010 OVERSIZE DIAMETERS, UNS S41600/UNS S41623 |
| ISO 16889:2008 | Hydraulic fluid power Filters Multi-pass method for evaluating filtration performance of a filter element |
| SAE AS3130B | PIN, EXPANSION - CRES, 303, LONG, UNS S30300 |
| SAE ARP 1383 : 2013 | AEROSPACE - IMPULSE TESTING OF HYDRAULIC COMPONENTS |
| NAS1612:2005 | PACKING, ETHYLENE PROPYLENE PREFORMED, O-RING PHOSPHATE ESTER RESISTANT, STRAIGHT THREAD TUBE FITTING BOSS (-65 DEGREES F TO 250/300 DEGREES F) |
| NAS1599:1980 | CONNECTORS, GENERAL PURPOSE, ELECTRICAL, MINIATURE CIRCULAR, ENVIRONMENT RESISTING, 200 DEG. C. MAXIMUM TEMPERATURE |
| SAE AMS2405D | Electroless Nickel Plating Low Phosphorus |
| SAE AS 4052 : 2015 | GLAND DESIGN: SCRAPER, LANDING GEAR, INSTALLATION |
| SAE AS3124A | PIN, EXPANSION - ALUMINUM, 2024-T4 AND 2024-T351, SHORT, UNS A92024 |
| SAE AS 5202 : 2005 | PORT OR FITTING END, INTERNAL STRAIGHT THREAD, DESIGN STANDARD |
| SAE AMS 2433 : 2004 | PLATING, NICKEL-THALLIUM-BORON OR NICKEL-BORON ELECTROLESS DEPOSITION |
| SAE AS33566 | FITTINGS, INSTALLATION OF FLARELESS TUBE, STRAIGHT-THREADED CONNECTORS |
| SAE AS3131B | PLUG, EXPANSION - CRES, 303, SHORT; STD AND .010 OVERSIZE DIAMETERS, UNS S30300 |
| NASM 21209 : 2003 | INSERT, SCREW THREAD, COARSE AND FINE, SCREW LOCKING, HELICAL COIL, CRES |
| NAS 1611:2005 | PACKING, ETHYLENE PROPYLENE, PREFORMED O-RING, PHOSPHATE ESTER RESISTANT (-65 DEGREES F TO 250/300 DEGREES F) |
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