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Aerospace Fluid Power - FAA Regulatory History - Transport Airplane Hydraulic Systems

A-6A1 Commercial Aircraft Committee
  • Aerospace Standard
  • AIR5696A
  • Current
Published 2019-09-03 by SAE International in United States

This SAE Aerospace Information Report (AIR) contains regulatory and guidance information related to transport airplane hydraulic systems. It contains certain Civil Air Regulations (CAR) and Federal Aviation Regulations (formerly referred to as FARs) from Title 14 Code of Federal Regulations (CFR) in their current version as well as the historical versions. This gives the reader an ability to assemble certain CAR/CFR parts as they existed at any date in the past (referred to as a Regulatory Basis). A certain amount of preamble explanatory material is included, which led to the regulatory rule changes (Amendments to the CFR).

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Specification for O-Ring Face Seal Connectors: Part 1 - Tube Connection Details and Common Requirements for Performance and Tests

Hydraulic Tube Fittings Committee
  • Ground Vehicle Standard
  • J1453/1_201906
  • Current
Published 2019-06-06 by SAE International in United States
The three parts of SAE J1453 cover material, dimensional, and performance requirements of steel O-ring face seal (ORFS) connectors for tubing and the O-ring face seal interface and nut portion of hose stem assemblies for nominal tube diameters of 6 through 50 mm.
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Pneumatics for Mechanical Motion

  • Magazine Article
  • TBMG-34574
Published 2019-06-01 by Tech Briefs Media Group in United States

Employing fluid power to achieve mechanical motion can be implemented via hydraulics using uncompressible liquids or via pneumatics using compressible gasses; typically, air. The latter provides several distinct advantages, making it a popular choice for many mechanical applications. Indeed, this isn’t a recent development, as using pressurized air for industrial applications and automated machinery has a history extending back well over 100 years.

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Aerospace - Visual Inspection Standard for Elastomeric Sealing Elements Other than O-Rings

A-6C2 Seals Committee
  • Aerospace Standard
  • AS5752
  • Current
Published 2019-05-17 by SAE International in United States
This standard provides the following: a The required surface finish criteria for the designed function of the parts b The definition of surface imperfections and defects that affect surface quality c The categories by location for each geometry for the permissible type, size and quantity of defects It also establishes the quantitative levels of acceptance by providing defined limits and inspection guidance for the acceptance or rejection of production parts This specification is applicable but not limited to, the surface quality of: T-Seals L-Rings Capped T Rings Capped L Rings Cammed Type Seals Cruciform Shaped Elastomers Pyramid (Dyna-Bak) Seals Square Ring Seals Quadruple Lobed Seals U-Cups Spring Energized U-Cups Molded in Place Metal Gasket Seals
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Welded, Flash-Controlled, Low-Carbon Steel Tubing Normalized for Bending, Double Flaring, Beading, Forming, and Brazing

Metallic Tubing Committee
  • Ground Vehicle Standard
  • J356_201905
  • Current
Published 2019-05-09 by SAE International in United States
This SAE Standard covers normalized electric-resistance welded flash-controlled single-wall, low-carbon steel pressure tubing intended for use as pressure lines and in other applications requiring tubing of a quality suitable for bending, double flaring, beading, forming, and brazing. Material produced to this specification is not intended to be used for single flare applications, due to the potential leak path caused by the Inside Diameter (ID) weld bead or scarfed region. Assumption of risks when using this material for single flare applications shall be defined by agreement between the producer and purchaser. This specification also covers SAE J356 Type-A tubing. The mechanical properties and performance requirements of SAE J356 and SAE J356 Type-A are the same. The SAE J356 or SAE J356 Type-A designation define unique manufacturing differences between coiled and straight material. Nominal reference working pressures for this tubing are listed in ISO 10763 for metric tubing, and SAE J1065 for inch tubing. SAE J356 is produced in straight lengths that undergo a secondary heat treat operation. SAE J356 Type-A tubing is heat treated in-line to…
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Method of Measuring and Reporting the Pressure Differential-Flow Characteristics of a Hydraulic Fluid Power Valve

CTTC C1, Hydraulic Systems
  • Ground Vehicle Standard
  • J1117_201904
  • Current
Published 2019-04-11 by SAE International in United States
Applies to hydraulic fluid power valves as applied to Off-Road Self-Propelled Work Machines defined in SAE J1116.
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Rubber: Silicone Rubber (PVMQ) Low Outgassing, Low Temperature Resistant 45 - 55 Shore “A” Hardness For Seals in Space and Vacuum Service

AMS CE Elastomers Committee
  • Aerospace Material Specification
  • AMS7269C
  • Current
Published 2019-02-28 by SAE International in United States
This specification covers a Silicone (PVMQ) Rubber compound in the form of molded rings.
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Welded Flash Controlled, High Strength (690 MPa Tensile Strength) Low Alloy Steel Hydraulic Tubing, Stress Relieved, Annealed for Bending, Double Flaring, Cold Forming, and Brazing

Metallic Tubing Committee
  • Ground Vehicle Standard
  • J2832_201902
  • Current
Published 2019-02-27 by SAE International in United States
This SAE Standard covers stress relieved electric resistance welded flash controlled single wall high strength low alloy steel tubing intended for use in high-pressure hydraulic lines and in other applications requiring tubing of a quality suitable for bending, double flaring,cold forming and brazing. Material produced to this specification is not intended to be used for single flare applications due to the potential leak path caused by the ID weld bead. The grade of material produced to this specification is of micro-alloy content. Nominal reference working pressures for this tubing are listed in ISO 10763 and SAE J1065. Brazed and/or welded tube assembly configurations made to specific geometry and components in association with this material may require qualification testing in accordance with ISO 19879. Cold forming the tube end configurations avoids this systemic testing by not compromising the structural integrity of the tube material. In an effort to standardize within a global marketplace and ensure that companies can remain competitive in an international market, it is the intent to convert to metric tube sizes, which will:…
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SEAL, BONDED, ALUMINUM ALLOY 6061-T6, AMS4027, MOLD IN GROOVE, NBR RUBBER, AMS-P-5315

A-6C2 Seals Committee
  • Aerospace Standard
  • AS27194C
  • Current
Published 2018-11-26 by SAE International in United States
No Abstract Available.
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Aerospace Microscopic Sizing and Counting of Particulate Contamination for Fluid Power Systems

A-6C1 Contamination and Filtration Committee
  • Aerospace Standard
  • AS598A
  • Current
Published 2018-07-24 by SAE International in United States
This SAE Aerospace Standard (AS) defines the materials, apparatus and procedure for microscopic sizing and counting of particulate contamination of fluid power systems by membrane filtration using microscopic counting.
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