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Department of Defence, Design Criteria Standard - Human Engineering

1.1 Scope. This standard establishes general human engineering design criteria for military 
systems, subsystems, equipment and facilities. 
1.2 Purpose. The purpose of this standard is to present human engineering design criteria, 
principles, and practices to achieve mission success through integration of the human into the system, 
subsystem, equipment, and facility, and achieve effectiveness, simplicity, efficiency, reliability, and 
safety of system operation, training, and maintenance. 
1.3 Application. This standard is applicable to the design of all systems, subsystems, 
equipment and facilities, except where provisions relating to aircraft design conflict with crew 
system design requirements or guidelines ofJSSG-2010. Nothing in this standard is to be construed 
as limiting the selection of hardware, materials, or processes to the specific items described herein. 
Unless otherwise stated in specific provisions, this standard applies to design of systems, subsystems, 
equipment and facilities for use by both men and women. This standard is not intended to be a 
criterion for limiting use of materiel already in the field in areas such as lift repetition or temperature 
exposure time. Where the procuring activity establishes use by male personnel exclusively, the 
paragraphs listed in Table I are changed as noted therein.

1.4 Force limits. If it is known that an item is to be used by an already established military 
occupational specialty, for which physical qualification requirements for entry into that specialty are 
also established, any discrepancy between the force criteria of this standard and the physical 
qualification requirements will be resolved in favor ofthe latter. In this event, the least stringent 
physical qualification requirement of all specialties which may operate, maintain, transport, supply, 
move, lift or otherwise manipulate the item in the manner being considered, will be used as a 
maximum design force limit. If such physical qualification requirements for entry into a specialty do 
not cover the task covered herein, the criteria herein will govern. 
I .5 Manufacturing tolerances When manufacturing tolerances are not perceptible to the user, 
this standard will not be construed as preventing the use of components whose dimensions are within a 
normal manufacturing upper or lower limit tolerance of the dimensions specified herein.