# ISO 11901-1:2003 — Withdrawn and superseded ISO standards For ISO 11901-1:2003, item title is Tools for pressing — Gas springs — Part 1: General specifications; status code is 9599; successor is ISO 11901-1:2025; withdrawn / published date is 2003-12-01, recorded from its source on 2026-08-05. - **Identifier:** ISO 11901-1:2003 _(verified: appears in the quote below)_ - **Item title:** Tools for pressing — Gas springs — Part 1: General specifications _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 11901-1:2025 - **Withdrawn / published date:** 2003-12-01 _(verified: appears in the quote below)_ ## What the source says > 29169,IS,,ISO 11901-1:2003,Tools for pressing — Gas springs — Part 1: General specifications,Outillage de presse — Ressorts à gaz — Partie 1: Spécifications générales,2003-12-01,2,['25.120.10'],ISO/TC 29/SC 8,9599,[20384],[85165],"['en','fr']",11,"
ISO 11901-1:2003 specifies the dimensions, in millimetres, nominal initial forces and type of gas springs.
It applies to gas springs of type 900 to 100 000, pressurized with nitrogen with a nominal initial force of between 900 N and 100 600 N, for use in press tools.
ISO 11901-1:2003 also specifies marking, technical delivery conditions and designation.
" ## 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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).