# ISO 1940-1:1986 — Withdrawn and superseded ISO standards For ISO 1940-1:1986, item title is Mechanical vibration — Balance quality requirements of rigid rotors — Part 1: Determination of permissible residual unbalance; status code is 9599; successor is ISO 1940-1:2003; withdrawn / published date is 1986-09-11, recorded from its source on 2026-08-05. - **Identifier:** ISO 1940-1:1986 _(verified: appears in the quote below)_ - **Item title:** Mechanical vibration — Balance quality requirements of rigid rotors — Part 1: Determination of permissible residual unbalance _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 1940-1:2003 - **Withdrawn / published date:** 1986-09-11 _(verified: appears in the quote below)_ ## What the source says > 6635,IS,,ISO 1940-1:1986,Mechanical vibration — Balance quality requirements of rigid rotors — Part 1: Determination of permissible residual unbalance,Vibrations mécaniques — Exigences en matière de qualité dans l'équilibrage des rotors rigides — Partie 1: Détermination du balourd résiduel admissible,1986-09-11,1,['21.120.40'],ISO/TC 108,9599,[6634],[27092],"['en','fr']",15,"

Specifies a representation in one or two planes; methods for determining, for allocation to the correction planes; for identifying the state of a rotor by measurement; a summary of errors associated with the identification. Gives recommendations according to type, mass and maximum service speed. Is not intended to ser ## Source - https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv Last verified: 2026-08-05. Review by: 2027-02-01. Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).