This part specifies the safety design requirements for mechanical structures of military command and control equipment (referred to as "command equipment"), including determination of limiting conditions, identification of hazard sources, risk analysis and evaluation, protective measures and effectiveness evaluation, etc. This section applies to the safety design of equipment against mechanical hazards.
SJ 21140.4-2016 Referenced Document
SJ 21140.1-2016 Safety design requirement for military command and control equipments.Part 1: General criteria