Aerospace series - Test method for metallic materials - Ultrasonic inspection of bars, plates, forging stock and forgings - Part 4: Acceptance criteria
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— 18 стр.