BS EN 3299:2019 Aerospace series. Shaft-nuts and threaded rings, self-locking, right- or left-hand MJ threads, in heat resisting steel FE-PA2601 (A286), silver plated. Technical specification

MJ threads
Aircraft components
Locknuts
Threaded fasteners
Approval testing
Internal-thread fasteners
Nuts
Metal coatings
Acceptance (approval)
Silver
Steels
Locking rings
Fasteners
Heat-resistant materials
Inspection

Link: BS EN 3299:2019 Aerospace series. Shaft-nuts and threaded rings, self-locking, right- or left-hand MJ threads, in heat resisting steel FE-PA2601 (A286), silver plated. Technical specification
Source: BSI Standards

BS EN ISO 20504:2019 Fine ceramics (advanced ceramics, advanced technical ceramics). Mechanical properties of ceramic composites at room temperature. Determination of compressive properties

Mechanical properties of materials
Compressive strength
Ceramic and glass technology
Special ceramics
Composite materials
Reinforced materials
Ceramics
Compression testing
Mechanical testing

Link: BS EN ISO 20504:2019 Fine ceramics (advanced ceramics, advanced technical ceramics). Mechanical properties of ceramic composites at room temperature. Determination of compressive properties
Source: BSI Standards

BS EN ISO 28763:2019 Vitreous and porcelain enamels. Regenerative, enamelled and packed panels for air-gas and gas-gas heat exchangers. Specifications

Heat exchangers
Performance
Ceramic coatings
Coatings
Heat engineering components
Fritted materials
Radiators
Corrugated
Non-metallic coatings
Vitreous enamel
Steels

Link: BS EN ISO 28763:2019 Vitreous and porcelain enamels. Regenerative, enamelled and packed panels for air-gas and gas-gas heat exchangers. Specifications
Source: BSI Standards