Rolling bearings - Noise testing of rolling bearing greases - Part 4: Test and evaluation method NQ (ISO 21250-4:2020)
Edition 2023-09

Terminal equipment (TE) - Facsimile group 4, class 1 equipment in the Integrated Services Digital Network (ISDN) - Terminal testing; English version ETS 300280:1994
Edition 1994-08

Flat products made of steels for pressure purposes - Part 4: Nickel alloy steels with specified low temperature properties; German version EN 10028-4:2017
Edition 2017-10

Short link chain for lifting purposes - Safety - Part 4: Chain slings - Grade 8; German version EN 818-4:1996+A1:2008
Edition 2008-12

Ophthalmic optics - Uncut finished spectacle lenses - Part 4: Specifications and test methods for anti-reflective coatings (ISO 8980-4:2006); German version EN ISO 8980-4:2006
Edition 2006-11

Sets of 2 taps for metric fine ISO-threads M1 × 0,2 to M52 × 4
Edition 2015-09

Railway infrastructure - Rail fastening systems - Part 4: Test methods for resistance to repeated loading (ISO 22074-4:2022); German version EN ISO 22074-4:2024
Edition 2024-07

Intelligent transport systems - After-theft systems for the recovery of stolen vehicles - Part 4: Interface and system requirements in terms of long range communication system; German version EN 15213-4:2013
Edition 2013-08

Broadband Radio Access Networks (BRAN) - HIgh PErformance Radio Local Area Network (HIPERLAN) Type 1; Conformance testing specification - Part 4: Abstract Test Suite (ATS) specification (Endorsement of the English version ETS 300836-4:1998 as German standard)
Edition 1999-07

Inflatable play equipment - Part 4: Additional safety requirements and test methods for bungee runs; German and English version prEN 14960-4:2022
Edition 2022-10