DIN EN 2868 : 2019 Title: Aerospace series - Nuts, hexagonal, slotted/castellated, normal height, normal across flats, in heat resisting steel, silver plated - Classification: 1 100 MPa (at ambient temperature)/650 °C; German and English version EN 2868:2019 Year: 2019 Publisher: DIN Media GmbH Availability: Within 1-2 working days