BS EN 4122:2018 Aerospace series. Shank nuts, self-locking, in heat resisting steel FE-PA2601 (A286), silver plated on thread. Classification: 1 100 MPa (at ambient temperature) / 650 $0DC

Silver
Dimensions
Nuts
Fasteners
Marking
Heat-resistant materials
Metal coatings
Aircraft components
Locknuts
Threaded fasteners
Surface treatment
Steels
Designations

Link: BS EN 4122:2018 Aerospace series. Shank nuts, self-locking, in heat resisting steel FE-PA2601 (A286), silver plated on thread. Classification: 1 100 MPa (at ambient temperature) / 650 {$permalink}DC
Source: BSI Standards

BS EN IEC 62485-2:2018 Safety requirements for secondary batteries and battery installations Stationary batteries

Inspection
Electrical safety
Protected electrical equipment
Electric power systems
Electric cells
Safety measures
Hazards
Nickel-cadmium batteries
Direct energy conversion
Storage batteries
Alkaline batteries
Maintenance
Voltage
Lead-acid batteries

Link: BS EN IEC 62485-2:2018 Safety requirements for secondary batteries and battery installations Stationary batteries
Source: BSI Standards

BS EN 14594:2018 Respiratory protective devices. Continuous flow compressed air line breathing devices. Requirements, testing and marking

Storage
Strength of materials
Supplied air breathing apparatus
Thermal testing
Breathing apparatus
Leak tests
Constant flow rates
Electrostatics
Flexibility
Ergonomics
Visual inspection (testing)
Flammability
Mechanical testing
Compressed air
Bend testing
Safety devices
Marking
Protective clothing
Respirators
Continuous
Flexible pipes
Instructions for use
Laboratory testing
Performance testing

Link: BS EN 14594:2018 Respiratory protective devices. Continuous flow compressed air line breathing devices. Requirements, testing and marking
Source: BSI Standards