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Fittings, Axially Swaged Tube with Flareless Separable, Fluid System for Operating Pressures up to and Including 5080 psi (35000 kPa), Specification for
- Aerospace Standard
- AS5958G
- Revised
Downloadable datasets available
Annotation ability available
Sector:
Issuing Committee:
Language:
English
Scope
This SAE Aerospace Standard (AS) establishes the requirements for axially swaged titanium fittings on titanium, CRES, and aluminum tubing with flareless separable fitting ends for use in hydraulic supply and return aerospace fluid systems up to operating pressure of 5080 psig (35000 kPa) maximum. The operating temperature range for titanium tubing and CRES tubing is -65 to +275 °F (-54 to +135 °C) and the operating temperature range for aluminum return system tubing is -65 to +225 °F (-54 to +107 °C).
This specification covers a common 5080 psi pressure titanium fitting that may be used for a range of operating pressures up to 5080 psi with different tubing materials and tubing wall thicknesses and is assembled with the same tooling in accordance with AS5959. The flareless fitting operating pressure is based on the fitting thread pitch. Extra fine pitch is used for 5080 psi operating pressure and fine pitch for operating pressures 3000 psi and less. Table 14 shows applicable aerospace fitting part number standard and tubing materials and operating pressures.
Rationale
Clarify corrosion conditioning time requirements and size -08 vibration testing test specimen length.
Recommended Content
| Aerospace Standard | Axially Swaged Fittings, Installation and Inspection Procedure |
| Aerospace Standard | MALE FERRULE, THREADLESS-FLEXIBLE, FIXED CAVITY, CURRENT CARRYING, SELF BONDING, SWAGED |
Topic
Data Sets - Support Documents
| Title | Description | Download |
|---|---|---|
| Unnamed Dataset 1 | ||
| Unnamed Dataset 2 | ||
| Unnamed Dataset 3 | ||
| Unnamed Dataset 4 | ||
| Unnamed Dataset 5 | ||
| Unnamed Dataset 6 | ||
| Unnamed Dataset 7 | ||
| Unnamed Dataset 8 | ||
| Table 1C | Thin wall titanium return pressures | |
| Table 1D | Aluminum return pressures | |
| Table 2A | 5080 psi supply tubing bending stresses | |
| Table 2B | 3000 psi titanium supply tubing bending stresses | |
| Table 2C | 3000 psi CRES supply tubing bending stresses | |
| Table 2D | Thin wall titanium return tubing bending stresses | |
| Table 2E | Aluminum return tubing bending stresses | |
| Table 3A | 5080 psi and 3000 psi supply minimum joint strength | |
| Table 3B | Thin wall titanium return minimum joint strength | |
| Table 3C | Aluminum return minimum joint strength | |
| Table 4A | 5080 psi torques | |
| Table 4B | 3000 psi supply and return torques | |
| Table 5 | Length and configuration of test samples, in inches | |
| Table 6A | 5080 psi titanium supply qualification test schedule | |
| Table 6B | 3000 psi titanium tubing qualification test schedule | |
| Table 6C | 3000 psi CRES tubing qualification test schedule | |
| Table 6D | Thin wall titanium return qualification test schedule | |
| Table 6E | Aluminum return qualification test schedule | |
| Table 7 | Fluid sequence | |
| Table 8 | Fuels | |
| Table 9 | Test lengths | |
| Unnamed Dataset 30 | ||
| Table 10 | Series | |
| Table 11 | Windmilling curves | |
| Table 12A | Classification of defects | |
| Table 12B | Defect | |
| Table 12C | Example sample tables for isolated lot applications | |
| Table 13 | Quality conformance inspection | |
| Table 15 | AS5958 part series intended usage |
Issuing Committee
G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
This Committee is responsible for developing and maintaining standards for design, test, and procurement of fluid systems part standards to improve reliability and economy. Their primary focus is on AS standards development and support of military standards. The Committee also develops ISO standards in a Subcommittee Advisory Group (SCAG) to ISO/TC 20/SC 10, and SAE-MA derivatives thereof.
Structure: SAE G-3 -- Parent committee SAE G-3A -- Aerospace Couplings Subcommittee SAE G-3B -- Aerospace Fittings Subcommittee SAE G-3D -- Aerospace Hose Subcommittee SAE G-3E - Aerospace Tubing Assemblies Subcommittee U.S. SCAG to ISO/TC 20/SC 10 -- ISO standards Major projects: Support of Military Standards Reform Support of military standard conversions to MIL-PERF and MIL-DTL. Development of AS replacements for military standards designated for conversion. Establish document to list G-3 accepted replacements for replaced part standards and military back-up specifications. Development of PRI QML/QPL Development of Performance Review Institute (PRI) process for approval and surveillance of manufacturers (Qualified Manufacturer List, QML) and for approval of standard parts as qualified for use (Qualified Parts List, QPL). Development of ISO Standards, Imperial Units ISO/TC 20/SC 10 standards have typically been developed in SI units. The ISO has approved development of inch-based ISO standards to support commercial aviation. Basic design, test, and procurement specifications will be selected from military standards that are to be converted to Non-Government standard (NGS) and developed as ISO standards.Reference
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