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EN

EN 3687:2026

En Vigor
2026-03-11
Aerospace series - Bolt, normal hexagon head, relieved shank, long thread, in heat resisting steel FE-PA2601 (A286), silver plated - Classification: 1 100 MPa/650 °C
EN

EN ISO 14644-14:2026

En Vigor
2026-03-11
Cleanrooms and associated controlled environments - Part 14: Assessment of suitability for use of equipment by airborne particle concentration (ISO 14644-14:2026)
EN

EN ISO 3744:2026

En Vigor
2026-03-11
Acoustics - Determination of sound power levels of noise sources using sound pressure - Engineering methods for an essentially free field over a reflecting plane (ISO 3744:2025, including corrected version 2026-01)
EN

EN 3155-008:2026

En Vigor
2026-03-11
Aerospace series - Electrical contacts used in elements of connection - Part 008: Contacts, electrical, male 008, type A, crimp, class S - Product standard