BS 3G 100 Specification for General requirements for equipment for use in aircraft — Part 4 : Electrical equipment — Section 2 : Electromagnetic interference at radio and audio frequencies
ISO 228-1:1994 Pipe threads where pressure-tight joints are not made on the threads - Part 1: Dimensions, tolerances and designation
Part 2 Basic Specifications for the Manufacture and Installation of Railway Track Scales
BS ISO 2685:1998 history
0000 BS ISO 2685:1998(2015)
2015BS ISO 2685:1998 Aircraft. Environmental test procedure for airborne equipment. Resistance to fire in designated fire zones