BS 2A 226:2019 Aerospace series. Specification for Bolts, Hexagonal head, Unified short threads below .250 inch, Alloy steel, Cadmium plated. Classification: R<sub>m</sub> = 124 000 – 146 000 lbf/in<sup>2</sup> (855 – 1 007 MPa) at ambient temp | +190 ºC. Specification

Bolts
Steels
Hexagonal-head fasteners
Fasteners
Unified screw threads
Dimensions
Size
Protective coatings
Threaded fasteners
Threaded components
External-thread fasteners
Air transport engineering
Aircraft components
Designations

Link: BS 2A 226:2019 Aerospace series. Specification for Bolts, Hexagonal head, Unified short threads below .250 inch, Alloy steel, Cadmium plated. Classification: R<sub>m</sub> = 124 000 – 146 000 lbf/in<sup>2</sup> (855 – 1 007 MPa) at ambient temp | +190 ºC. Specification
Source: BSI Standards

BS 3SP 157-163:2019 Aerospace series. Rivets, solid, universal head, imperial diameters in metric units, aluminium alloys (colour coded) and nickel-copper alloy, cadmium plated or natural finish. Specification

Threadless fasteners
Protective coatings
Fasteners
Aircraft components
Length
Dimensions
Marking
Marks
Heat treatment
Symbols
Round-head fasteners
Designations
Aluminium alloys
Rivets
Colour codes

Link: BS 3SP 157-163:2019 Aerospace series. Rivets, solid, universal head, imperial diameters in metric units, aluminium alloys (colour coded) and nickel-copper alloy, cadmium plated or natural finish. Specification
Source: BSI Standards

BS 2SP 94:2019 Aerospace series. Bushes (plain and flanged), press-fit and thrust washers, oil‑retaining sintered bronze. Specification

Tin bronzes
Designations
Bronzes
Lubricating systems
Bearings
Self-lubricating bearings
Thrust washers
Bushes (mechanical components)
Compression testing
Axial-thrust bearings
Porous materials
Separating parts
Washers
Plain bearings
Bearing alloys
Dimensions
Sintered products
Aircraft components

Link: BS 2SP 94:2019 Aerospace series. Bushes (plain and flanged), press-fit and thrust washers, oil‑retaining sintered bronze. Specification
Source: BSI Standards

BS ISO 10312:2019 Ambient air. Determination of asbestos fibres. Direct transfer transmission electron microscopy method

Sampling methods
Determination of content
Air pollution
Air
Specimen preparation
Fibres
Precision
Particulate air pollutants
Asbestos
Electron microscopes
Mathematical calculations
Bibliography
Filtration
Calibration
Test equipment
Counting
X-ray analysis
Reports
Test specimens
Microscopic analysis

Link: BS ISO 10312:2019 Ambient air. Determination of asbestos fibres. Direct transfer transmission electron microscopy method
Source: BSI Standards