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Bolts and Screws, Steel, UNS S66286 1650 °F Solution Heat Treated Precipitation Heat Treated Before Roll Threaded
- Aerospace Standard
- AS7479E
- Revised
Downloadable datasets available
Annotation ability available
Sector:
Issuing Committee:
Language:
English
Scope
This specification covers bolts and screws made from a corrosion and heat resistant, precipitation hardenable iron base alloy of the type identified under the Unified Numbering System as UNS S66286, and of 130000 psi tensile strength at room temperature, with maximum test temperature of parts at 1200 °F.
Rationale
This revision contains extensive changes throughout the document. The revisions are both editorial and technical. It also corrects an error in Table 4 sampling size for lot size 10001 to 35000.
Recommended Content
Data Sets - Support Documents
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| Table 1 | UNJ external thread depth at 2H/3 and allowable thread lap depth | |
| Table 2A | Test loads for bolts | |
| Table 2B | Test loads for screws | |
| Table 3 | Summary of acceptance tests | |
| Table 4 | Sampling data non-destructive tests visual and dimensional characteristics for classes Major A, Major B, Minor A, and Minor B | |
| Table 5 | Classification of visual and dimensional characteristics | |
| Table 6 | Sampling data Destructive tests mechanical and metallurgical characteristics |
Issuing Committee
E-25 General Standards for Aerospace and Propulsion Systems
The SAE E-25 General Standards for Aerospace & Propulsion Systems committee addresses aerospace propulsion systems and components. These systems and components include bolts, screws, nuts, washers, studs, rivets, pins, covers, O-rings, brackets, plugs and associated procurement requirements, as well as solid film lubricants and design specifications for screw threads and fastener assembly requirements.
Reference
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