DIN EN 3637:2023-05
Aerospace series - Nut, self-locking, bi-hexagonal (double reduced), in heat resisting nickel base alloy - NI-P101HT (Waspaloy), silver plated, Classification: 1210 MPa/730 °C; German and English version FprEN 3637:2023 / Note: Date of issue 2023-04-1...