# 982 — Fastener standard equivalences: DIN to ISO / EN crossover For 982, fastener description is Prevailing torque type hexagon nuts with non-metallic insert; iso equivalent is 7040; interchangeability is Height of nut changed; width across flat according to ISO 272 included; modification notes is Height of nut changed; width across flat according to ISO 272 included, verified against its source on 2026-08-12. - **DIN standard:** 982 _(verified: appears in the quote below)_ - **Fastener description:** Prevailing torque type hexagon nuts with non-metallic insert _(verified: appears in the quote below)_ - **ISO equivalent:** 7040 _(verified: appears in the quote below)_ - **Interchangeability:** Height of nut changed; width across flat according to ISO 272 included _(verified: appears in the quote below)_ - **Modification notes:** Height of nut changed; width across flat according to ISO 272 included _(verified: appears in the quote below)_ ## What the source says > Prevailing torque type hexagon nuts with non-metallic insert | 982 | 7040 | 27040 | | 7040 | 1998-02 | Prevailing torque type hexagon nuts (with non-metallic insert), style 1 – Property classes 5, 8 and 10 | Height of nut changed; width across flat according to ISO 272 included | ## Sources disagree More than one authority states this, and they do not state the same thing. Both are reproduced with the source each came from. ### Fastener description fullerfasteners.com says fastener description is **Prevailing torque type hexagon nuts with non-metallic insert**, as of 2026-08-12. > Prevailing torque type hexagon nuts with non-metallic insert | 982 | 7040 | 27040 | | 7040 | 1998-02 | Prevailing torque type hexagon nuts (with non-metallic insert), style 1 – Property classes 5, 8 and 10 | Height of nut changed; width across flat according to ISO 272 included | Source: https://fullerfasteners.com/tech/din-iso-en-crossover-chart/ fullerfasteners.com says fastener description is **Prevailing torque type hexagon nuts with non-metallic insert**, as of 2026-08-12. > Prevailing torque type hexagon nuts with non-metallic insert | 982 | 7040 | 27040 | | 7040 | 1998-02 | Prevailing torque type hexagon nuts (with non-metallic insert), style 1 – Property classes 5, 8 and 10 | Height of nut changed; width across flat according to ISO 272 included | Prevailing torque type hexagon nuts with non-metallic insert | 982 | 10512 | Source: https://fullerfasteners.com/tech/din-iso-en-crossover-chart/ trfastenings.com says fastener description is **Prevailing torque type Hexagon Nuts with non-metallic insert**, as of 2026-08-12. > DIN 982 | ISO 7040 | | Prevailing torque type Hexagon Nuts with non-metallic insert | DIN 982 | ISO 10512 | Source: https://www.trfastenings.com/knowledge-base/engineering-data/fastener-standards trfastenings.com says fastener description is **Prevailing torque type Hexagon Nuts with non-metallic insert**, as of 2026-08-12. > DIN 982 | ISO 7040 | | Prevailing torque type Hexagon Nuts with non-metallic insert | Source: https://www.trfastenings.com/knowledge-base/engineering-data/fastener-standards ### ISO equivalent fullerfasteners.com says iso equivalent is **7040**, as of 2026-08-12. > Prevailing torque type hexagon nuts with non-metallic insert | 982 | 7040 | 27040 | | 7040 | 1998-02 | Prevailing torque type hexagon nuts (with non-metallic insert), style 1 – Property classes 5, 8 and 10 | Height of nut changed; width across flat according to ISO 272 included | Source: https://fullerfasteners.com/tech/din-iso-en-crossover-chart/ fullerfasteners.com says iso equivalent is **10512**, as of 2026-08-12. > Prevailing torque type hexagon nuts with non-metallic insert | 982 | 7040 | 27040 | | 7040 | 1998-02 | Prevailing torque type hexagon nuts (with non-metallic insert), style 1 – Property classes 5, 8 and 10 | Height of nut changed; width across flat according to ISO 272 included | Prevailing torque type hexagon nuts with non-metallic insert | 982 | 10512 | Source: https://fullerfasteners.com/tech/din-iso-en-crossover-chart/ trfastenings.com says iso equivalent is **10512**, as of 2026-08-12. > DIN 982 | ISO 7040 | | Prevailing torque type Hexagon Nuts with non-metallic insert | DIN 982 | ISO 10512 | Source: https://www.trfastenings.com/knowledge-base/engineering-data/fastener-standards trfastenings.com says iso equivalent is **7040**, as of 2026-08-12. > DIN 982 | ISO 7040 | | Prevailing torque type Hexagon Nuts with non-metallic insert | Source: https://www.trfastenings.com/knowledge-base/engineering-data/fastener-standards ## Source - https://fullerfasteners.com/tech/din-iso-en-crossover-chart/ - https://www.trfastenings.com/knowledge-base/engineering-data/fastener-standards - https://www.trfastenings.com/knowledge-base/engineering-data/fastener-standards Last verified: 2026-08-12. Review by: 2028-08-11. Part of [Fastener standard equivalences: DIN to ISO / EN crossover](https://referencesource.org/fastener-thread-standard-equivalence/).