# ISO 11381:1994 — Withdrawn and superseded ISO standards

For ISO 11381:1994, item title is Optics and optical instruments — Ophthalmic optics — Screw threads; status code is 9599; successor is ISO 11381:2016; withdrawn / published date is 1994-12-22, recorded from its source on 2026-08-05.

- **Identifier:** ISO 11381:1994 _(verified: appears in the quote below)_
- **Item title:** Optics and optical instruments — Ophthalmic optics — Screw threads _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 11381:2016
- **Withdrawn / published date:** 1994-12-22 _(verified: appears in the quote below)_

## What the source says

> 2440,IS,,ISO 11381:1994,Optics and optical instruments — Ophthalmic optics — Screw threads,Optique et instruments d'optique — Optique ophtalmique — Filetages,1994-12-22,1,['11.040.70'],ISO/TC 172/SC 7,9599,,[70819],"['en','fr']",4,"<p>Specifies requirements for ISO metric screw threads for use with spectacle frames. Provision is made for screw threads of the following nominal sizes: S0,8 × 0,2, M1,0 × 0,25, M1,2 × 0,25, M1,4 × 0,3, M1,6 × 0,35 and M2,0 × 0,4, and for related taps and gauges (in accordance with ISO 529 and ISO 1502).</p>"

## 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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).