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ISO 23886:2021

Aerospace — Collar, threaded, self-locking — Test method for torque and preload

Publication date:   Jul 21, 2021

General information

90.20   Standard under periodical review   Jul 15, 2026

ISO

ISO/TC 20/SC 4 Aerospace fastener systems

International Standard

49.030.99   Other fasteners

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Scope

This document describes torque and preload test method for threaded collars. This test method is used to measure the locking torque, breakaway torque, torque off and preload of threaded collars.

Life cycle

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PUBLISHED
ISO 23886:2021
90.20 Standard under periodical review
Jul 15, 2026