Engineering

prEN 3660-033 - Aerospace series - Cable outlet accessories for circular and rectangular electrical and optical connectors - Part 033: Stainless steel banding band, style Z, for attachment of individual and/or overall screens to cable outlets - Product standard
Categories: Aerospace electric equipment and systems
Committee: ASD-STAN (Aerospace)
Origin: CEN
Close date: 14 May 2026
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prEN 4909 - Aerospace series - Screw, hexagon head, flanged, with six-lobe recess, composite, inch series
Categories: Aerospace construction fasteners
Committee: ASD-STAN (Aerospace)
Origin: CEN
Close date: 14 May 2026
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prEN 4910 - Aerospace series - Screw, hexagon head, flanged, with six-lobe recess, composite, inch series - Technical Specification
Categories: Aerospace construction fasteners
Committee: ASD-STAN (Aerospace)
Origin: CEN
Close date: 14 May 2026
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ISO/DIS 4021 - Hydraulic fluid power — Particulate contamination analysis — Extraction of fluid samples from lines of an operating system
Categories: Fluid power systems
Committee: ISO/TC 131/SC 6 (Contamination control)
Origin: ISO
Close date: 14 May 2026
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ISO/DIS 484-1 - Shipbuilding — Ship screw propellers — Manufacturing tolerances — Part 1: Propellers of diameter greater than 2,50 m
Categories: Shipbuilding and marine structures. General
Committee: ISO/TC 8/SC 3 (Piping and machinery)
Origin: ISO
Close date: 14 May 2026
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ISO/DIS 484-2 - Shipbuilding — Ship screw propellers — Manufacturing tolerances — Part 2: Propellers of diameter between 0,80 and 2,50 m inclusive
Categories: Shipbuilding and marine structures. General
Committee: ISO/TC 8/SC 3 (Piping and machinery)
Origin: ISO
Close date: 14 May 2026
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prEN IEC 61969-3:2026 - Mechanical structures for electrical and electronic equipment - Outdoor enclosures - Part 3: Environmental requirements, tests and safety aspects
Categories: Mechanical structures for electronic equipment
Committee: CLC/SR 48D (Mechanical structures for electronic equipment)
Origin: CENELEC
Close date: 15 May 2026
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IEC 61969-3 ED5 - Mechanical structures for electrical and electronic equipment - Outdoor enclosures - Part 3: Environmental requirements, tests and safety aspects
Categories: Mechanical structures for electronic equipment
Committee: TC 48/SC 48D (error)
Origin: IEC
Close date: 15 May 2026
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ISO/DIS 5491 - Vertiports — Infrastructure and equipment for vertical take-off and landing (VTOL) of electrically powered uncrewed aircraft systems (UAS)
Categories: Aircraft and space vehicles. General
Committee: ISO/TC 20/SC 17 (Airport infrastructure)
Origin: ISO
Close date: 20 May 2026
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ISO/DIS 6622-2 - Internal combustion engines — Piston rings — Part 2: Rectangular rings made of steel
Categories: Internal combustion engines
Committee: ISO/TC 22/SC 34 (Propulsion, powertrain and powertrain fluids)
Origin: ISO
Close date: 20 May 2026
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ISO/DIS 15390 - Space environment (natural and artificial) — Galactic cosmic ray model
Categories: Space systems and operations
Committee: ISO/TC 20/SC 14 (Space systems and operations)
Origin: ISO
Close date: 21 May 2026
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EN 12299:2024/prA1 - Railway applications - Ride comfort for passengers - Measurement and evaluation
Categories: Railway rolling stock
Committee: CEN/TC 256 (Railway applications)
Origin: CEN
Close date: 21 May 2026
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prEN 6117 - Aerospace series - Specification for lubrication of fasteners with cetyl alcohol
Categories: Aerospace construction fasteners
Committee: ASD-STAN (Aerospace)
Origin: CEN
Close date: 21 May 2026
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prEN 14453 - Devices to prevent pollution by backflow of potable water - Pipe interrupter with permanent atmospheric vent DN 10 to DN 20 - Family D, type C
Categories: Valves
Committee: CEN/TC 164 (Water supply)
Origin: CEN
Close date: 21 May 2026
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IEC 62310-1 ED2 - Static transfer systems (STS) - Part 1: General and safety requirements
Categories: Power transmission and distribution networks
Committee: TC 22/SC 22H (error)
Origin: IEC
Close date: 22 May 2026
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prEN IEC 62310-1:2026 - Static transfer systems (STS) - Part 1: General and safety requirements
Categories: Power transmission and distribution networks
Committee: CLC/TC 22X (Power electronics)
Origin: CENELEC
Close date: 22 May 2026
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ISO/DIS 22423 - Foil bearings — Performance testing of foil thrust bearings — Testing of static load capacity, bearing torque, friction coefficient and lifetime
Categories: Bearings
Committee: ISO/TC 123/SC 7 (Special types of plain bearings)
Origin: ISO
Close date: 25 May 2026
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ISO/DIS 9285-1 - Oxide based abrasive grains — Chemical analysis — Part 1: Wet chemistry methods
Categories: Cutting tools
Committee: ISO/TC 29/SC 5 (Grinding wheels and abrasives)
Origin: ISO
Close date: 25 May 2026
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ISO/DIS 9285-2 - Oxide based abrasive grains — Chemical analysis — Part 2: Instrumental analysis
Categories: Cutting tools
Committee: ISO/TC 29/SC 5 (Grinding wheels and abrasives)
Origin: ISO
Close date: 25 May 2026
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prEN ISO 24695 - Oil and gas industries including lower carbon energy - The effects of High Voltage DC interference to buried pipelines - Measures to be implemented (ISO/DIS 24695:2026)
Categories: Power transmission and distribution networks
Committee: CEN/TC 219 (Cathodic protection)
Origin: CEN
Close date: 25 May 2026
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