# ISO 8538:1986 — Withdrawn and superseded ISO standards For ISO 8538:1986, item title is Aerospace — Self-locking hexagon nuts with counterbore and captive washer, classification 1 100 MPa/235 degrees C; status code is 9599; successor is ISO 8538:1999; withdrawn / published date is 1986-03-13, recorded from its source on 2026-08-05. - **Identifier:** ISO 8538:1986 _(verified: appears in the quote below)_ - **Item title:** Aerospace — Self-locking hexagon nuts with counterbore and captive washer, classification 1 100 MPa/235 degrees C _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 8538:1999 - **Withdrawn / published date:** 1986-03-13 _(verified: appears in the quote below)_ ## What the source says > 15787,IS,,ISO 8538:1986,"Aerospace — Self-locking hexagon nuts with counterbore and captive washer, classification 1 100 MPa/235 degrees C","Aéronautique et espace — Écrous hexagonaux à freinage interne, avec chambrage et rondelle captive, classification 1 100 MPa/235 degrés C",1986-03-13,1,['49.030.30'],ISO/TC 20/SC 4,9599,,[27431],"['en','fr']",3, ## 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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).