# DIN 471 — DIN / ISO / BS fastener equivalents and the sizes where they are not interchangeable For DIN 471, part is Circlips (retaining rings) for shafts; normal type and heavy type, verified against its source on 2026-08-05. - **DIN standard:** DIN 471 _(verified: appears in the quote below)_ - **Part:** Circlips (retaining rings) for shafts; normal type and heavy type _(verified: appears in the quote below)_ ## What the source says > DIN 471 | | | Circlips (retaining rings) for shafts; normal type and heavy type | ## Source - https://www.trfastenings.com/knowledge-base/engineering-data/fastener-standards Last verified: 2026-08-05. Review by: 2029-08-04. Part of [DIN / ISO / BS fastener equivalents and the sizes where they are not interchangeable](https://referencesource.org/fastener-standard-interchangeability-exceptions/).