Symbol 5846 from IEC 60417 - Title/Meaning: Outer diameter Function/description: To indicate a reference to the outer diameter.
Additional information: 
Published in: 3C/798/FDIS
Own work using: iso.org/obp/graphics/grs/c3ae019e-8b80-48a5-8eda-9415857d7bb5 200.png
Vectorization:  Mrmw