KATO 10-522 ships with KATO tight-lock couplers. No replacement part is officially listed for this product.
| Maker | KATO |
|---|---|
| Product No. | 10-522 |
| Name | E231 Series Tokaido Line/Shonan-Shinjuku Line add-on unit set (5 cars) |
| Name (Japanese) | E231系 東海道線・湘南新宿ライン 付属編成セット(5両) |
| Type | Set |
| Category | EMU |
| Release | 2019-07 |
| JAN | 4949727517551 |
| Standard coupler | KATO tight-lock |
| Coupler notes | KATO tight-lock coupler (telescopic) |
| Evidence | Not stated |
| Source | Official product page |
| Last checked | 2026-10-28 |
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