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