# ISO 9157:1988 — Withdrawn and superseded ISO standards For ISO 9157:1988, item title is Aerospace — Nuts, spline-drive, self-locking, with MJ threads, coated or uncoated, classification 1 100 MPa/650 degrees C, 1 250 MPa/760 degrees C, 1 550 MPa/235 degrees C or 1 550 MPa/650 degrees C — Dimensions; status code is 9599; successor is ISO 9157:2002; withdrawn / published date is 1988-12-29, recorded from its source on 2026-08-05. - **Identifier:** ISO 9157:1988 _(verified: appears in the quote below)_ - **Item title:** Aerospace — Nuts, spline-drive, self-locking, with MJ threads, coated or uncoated, classification 1 100 MPa/650 degrees C, 1 250 MPa/760 degrees C, 1 550 MPa/235 degrees C or 1 550 MPa/650 degrees C — Dimensions _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 9157:2002 - **Withdrawn / published date:** 1988-12-29 _(verified: appears in the quote below)_ ## What the source says > 16754,IS,,ISO 9157:1988,"Aerospace — Nuts, spline-drive, self-locking, with MJ threads, coated or uncoated, classification 1 100 MPa/650 degrees C, 1 250 MPa/760 degrees C, 1 550 MPa/235 degrees C or 1 550 MPa/650 degrees C — Dimensions","Aéronautique et espace — Écrous cannelés à freinage interne, à filetage MJ, revêtus ou non revêtus, de classification 1 100 MPa/650 degrés C, 1 250 MPa/760 degrés C, 1 550 MPa/235 degrés C ou 1 550 MPa/650 degrés C — Dimensions",1988-12-29,1,['49.030.30'],ISO/TC 20/SC 4,9599,,[31733],"['en','fr']",2,"

The values laid down herein have been specified so as to satisfy the requirements laid down in ISO 5858 or ISO 8641 (depending on the classification of the ## 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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).