What is BS 3F 71- Light duty braided rubber cord about?  
BS 3F 71 is a British Guideline on light duty braided rubber cord. BS 3F 71 specifies requirements for light duty braided rubber cords in eight sizes from 3 mm to 11 mm in diameter.
BS 3F 71 guidelines outlines about cords which are suitable, when cut into unit lengths, for parachute pack opening devices, light-weight suspensions, and other aeronautical purposes.
NOTE 1: The titles of the publications referred to in this standard are listed on the inside back cover.
NOTE 2: The latest revision of an Aerospace Series standard is indicated by a prefix number.
Who is BS 3F 71 - Light duty braided rubber cord for? 
 BS 3F 71 on Light duty braided rubber cord  is useful for: 
- Aerospace, aeronautical, and defence industry 
- Manufacturers of aerospace equipment and components  
- Manufacturers of bonding straps  
- Manufacturers of copper conductors  
- Product design engineers  
- Quality control personnel  
Why should you use BS 3F 71 - Light duty braided rubber cord? 
Light duty braided rubber cord are used in the airspace industry because they have high mechanical strength and can be handled easily.
BS 3F 71 provides you with the required characteristics of temperature range, dimensions, mass, designation, marking, packaging, material, and quality assurance. As a manufacturer, this assists in the production of light duty braided rubber cord of high quality and durability.  
BS 3F 71 assists you in improving the quality of light duty braided rubber cord by including all the qualities that make them best for use in aircraft.  
With compliance and obedience to BS 3F 71, you can demonstrate the reliability of your copper and build trust in their use throughout the aerospace supply chain. 
What’s changed since the last update?
BS 3F 71:1991 supersedes BS 2F 71:1983 which is withdrawn. BS 3F 71:1991 includes some technical change with respect to BS 2F 71:1983. It includes:
- Colour indication of 5-year groups
