DIN EN 3299 : 2019 Title: Aerospace series - Shaft-nuts and threaded rings, self-locking, right- or left-hand MJ threads, in heat resisting steel FE-PA2601 (A286), silver plated - Technical specification; German and English version EN 3299:2019 Year: 2019 Publisher: DIN Media GmbH Availability: Within 1-2 working days