# ISO 1977-2:1974 — Withdrawn and superseded ISO standards For ISO 1977-2:1974, item title is Conveyor chains, attachments and chain wheels — Part 2: Chain wheels; status code is 9599; successor is ISO 1977:2000 | ISO/CD 1977-2; withdrawn / published date is 1974-07-01, recorded from its source on 2026-08-05. - **Identifier:** ISO 1977-2:1974 _(verified: appears in the quote below)_ - **Item title:** Conveyor chains, attachments and chain wheels — Part 2: Chain wheels _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 1977:2000 | ISO/CD 1977-2 - **Withdrawn / published date:** 1974-07-01 _(verified: appears in the quote below)_ ## What the source says > 6709,IS,,ISO 1977-2:1974,"Conveyor chains, attachments and chain wheels — Part 2: Chain wheels","Chaînes convoyeurs, plaques d'attache et roues pour chaînes — Partie 2: Roues pour chaînes",1974-07-01,1,['53.040.20'],ISO/TC 100,9599,,"[25831,25832]","['en','fr']",5, ## 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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).