Aerospace series - Elements of electrical and optical connection; test methods - Part 202: Contact resistance at rated current; German version EN 2591-202:1996
Edition 1998-03

Aerospace series - Elements of electrical and optical connection; test methods - Part 204: Discontinuity of contacts in the microsecond range; German version EN 2591-204:1996
Edition 1998-03

Aerospace series - Elements of electrical and optical connection; test methods - Part 206: Measurement of insulation resistance; German version EN 2591-206:1996
Edition 1998-03

Aerospace series - Inserts, thin wall, self-locking, long, in heat resisting nickel base alloy NI-P100 HT (Inconel 718) - Silver plated internal thread; German version EN 3237:1998
Edition 1998-02

Data communication; multilink procedures; identical with ISO 7478:1987 (status as of 1989)
Edition 1989-11

General mathematical symbols and concepts
Edition 1999-12

State of railway vehicles - Brake - Part 12: Function and tightness of railway vehicle brakes
Edition 2025-11

State of railway vehicles - Running gear - Part 5: Rubber suspension systems
Edition 2026-01

State of railway vehicles - Running gear - Part 6: Pneumatic suspension system
Edition 2026-01

Geometry and stability of ships - Symbols, terms, definitions - Part 2: Submarines
Edition 1999-06