Identification Marking Methods
- Aerospace Standard
Definition of terms pertaining to marking.
Symbols for marking location.
Requirements and restrictions for permanent markings.
Types of marking methods.
Rules for designating marking methods.
Table listing marking methods.
|Aerospace Standard||Requirements for Developing and Qualifying Alternate Inspection Frequency Plans|
|Aerospace Standard||Screw Threads - UNJ Profile, Inch Controlled Radius Root with Increased Minor Diameter|
|Aerospace Material Specification||Hardness and Conductivity Inspection of Wrought Aluminum Alloy Parts|
Data Sets - Support Documents
|[Unnamed Dataset 1]|
|[Unnamed Dataset 2]|
|Table 1||Marking method number, class letter, and depth|
|Table 2||Optical character recognition OCR-A marking|
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.