What is BS SP 22-27 – BA washers about?  
BS SP 22-27 provides specifications for BA washers which are mainly used as an instrument in aircraft.
BS SP 22-27 applies to washers primarily with screws (2 B.A. and smaller) instruments, and in electrical and for aircraft. intended for use with screws (2 BA and smaller) used in aircraft instruments, and electrical and similar equipment for aircraft.
Who is BS SP 22-27 - BA washers for?  
BS SP 22-27 on BA washers is useful for: 
- Manufacturers and suppliers of small and big washers
- Product design engineers 
- Quality control personnel 
- Aviation, Aerospace and Defence Industries 
Why should you use BS SP 22-27:2019 - BA washers?  
Washers are thin flat rings or perforated plates used in joints or assemblies to ensure tightness, prevent leakage, or relieve friction.
BS SP 22-27 provides clear specifications, requirements, and dimensions for small as well as large washers that are mainly used in airplanes and aircraft. 
BS SP 22-27 helps you to understand and follow best practices for BA washers, which contributes towards the maintenance of your quality management system.
Using BS SP 22-27 guidelines, you contribute towards safer equipment and expeditions as well as longevity for the carrier. 
