Hydrological risks

Rigid precision coaxial and their associated precision connectors - Part 4: 21 mm rigid precision coaxial line and associated hermaphroditic precision coaxial connector - Characteristic impedance 50 ohm (Type 9/21) - Characteristic impedance 75 ohms (Type 6/21)

Rigid precision coaxial lines and their associated precision connectors - Part 5: 50 ohm 3,5 mm rigid precision coaxial line with provision for mounting connectors

Non-return flaps (storm valves), self-closing, vertical type, DN 50 up to DN 150, PN 1 - Mating dimensions for flanges according to PN 10

Bituminous mixtures - Test methods - Part 50: Resistance to scuffing

Aerospace series - Steel 40CrMoV12 (1.8523) - Consumable electrode remelted - Hardened and tempered - Forgings - Dₑ ≤ 50 mm - 1 250 MPa ≤ Rₘ ≤ 1 400 MPa; German version ASD-STAN prEN 4098:2025

Aerospace series - Steel GX5CrNiCuNb16-4 (1.4525) - Homogenized, solution treated and precipitation hardened - Investment casting - Dₑ ≤ 50 mm - Rₘ ≥ 900 MPa; German and English version FprEN 4216:2025

Aerospace series - Cable, electrical, for signal transmission - Part 006: Cable, coaxial, 50 ohms, 200 °C, type WM - Product standard; German and English version EN 4604-006:2025

Aerospace series - Cable, electrical, for signal transmission - Part 007: Cable, coaxial, 50 ohms, 200 °C, type WN - Product standard; German and English version EN 4604-007:2025

Aerospace series - Cable, electrical, for signal transmission - Part 008: Cable, coaxial, 50 ohms, 200 °C, type WD - Product standard; German and English version EN 4604-008:2025