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6 V car lighter socket, SAE J563 (Ø21.4 mm)
What are the dimensions of the 6 V car lighter socket, SAE J563? · Modern device · basis: Secondary source: Wikipedia (copy of the maker's figures; the maker publishes none directly)
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Exact dimensions. True size, with no printing tolerance added.
- length
- 21.4 mm
- width
- 21.4 mm
Notes
- ANSI/SAE J563 gives the receptacle bore as 21.34–21.46 mm and the plug body as 21.08–21.23 mm. The 6 V socket is used in older 6-volt vehicles.
- Numbers come from a Wikipedia summary of SAE J563, not the paid standard itself.
- No CAD file: the maker publishes only overall sizes, and a plain box or cylinder is not useful design geometry. The table is the published data; parts with real geometry have their own pages.
- Secondary source: the numbers come from a retailer or magazine copy of the maker's specification.
6 V car lighter socket, SAE J563 size chart
| dimension | value |
|---|---|
| Receptacle inner diameter | 21.34–21.46 mm (median 21.4 mm) |
| Plug body diameter | 21.08–21.23 mm (median 21.16 mm) |
| Standard | ANSI/SAE J563 |
| Depth | not published |
Where the files are
Other publishers' files are linked, not hosted. "verify" = check the license at the link before commercial use.
| Wikipedia | Automobile auxiliary power outlet (ANSI/SAE J563 dimensions) | web | Publisher's page; dimensions are facts |
Xem scan
File coming
No downloadable true-size file yet: the published figures do not fix the whole shape, and Xem never guesses a number. A measured scan is planned; request it and it moves up.
https://xemstudio.com/mcp to Claude, ChatGPT, Cursor or any MCP client (free, no account, one minute) and it can look up exact sizes, mating fits and free STEP/STL from every chat.Plain text: sheet.txt · JSON: /api/geometry?object=6v-car-socket-sae-j563
Questions
What is the diameter of a 12 V car socket?
21.34–21.46 mm inside for this size; plugs are 21.08–21.23 mm.


