# ISO 9199:1987 — Withdrawn and superseded ISO standards

For ISO 9199:1987, item title is Aerospace — Self-locking bihexagonal nuts, classifications 1 100 MPa/650 degrees C, 1 250 MPa/760 degrees C, 1 550 MPa/235 degrees C and 1 550 MPa/650 degrees C — Dimensions; status code is 9599; successor is ISO 9199:1998; withdrawn / published date is 1987-08-20, recorded from its source on 2026-08-05.

- **Identifier:** ISO 9199:1987 _(verified: appears in the quote below)_
- **Item title:** Aerospace — Self-locking bihexagonal nuts, classifications 1 100 MPa/650 degrees C, 1 250 MPa/760 degrees C, 1 550 MPa/235 degrees C and 1 550 MPa/650 degrees C — Dimensions _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 9199:1998
- **Withdrawn / published date:** 1987-08-20 _(verified: appears in the quote below)_

## What the source says

> 16825,IS,,ISO 9199:1987,"Aerospace — Self-locking bihexagonal nuts, classifications 1 100 MPa/650 degrees C, 1 250 MPa/760 degrees C, 1 550 MPa/235 degrees C and 1 550 MPa/650 degrees C — Dimensions","Aéronautique et espace — Écrous bihexagonaux à freinage interne, classifications 1 100 MPa/650 degrés C, 1 250 MPa/760 degrés C, 1 550 MPa/235 degrés C et 1 550 MPa/650 degrés C — Dimensions",1987-08-20,1,['49.030.30'],ISO/TC 20/SC 4,9599,,[21421],['en'],4,

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).