MIL STD- Human Engineering Design Criteria for Military Systems, Equipment and Facilities

Keywords equipment and facilities human engineering design criteria MIL STD military systems

3.1 Abort.
A capability that cancels all user entries in a defined transaction sequence.

3.2 Accessible.
Except where stated to the contrary herein or where specific design values are given, an item is considered accessible only where it can be operated, manipulated, removed or replaced by the suitably clothed and equipped user with applicable ?5th and 95th percentile body dimensions. Applicable body dimensions are those dimensions which are design-critical to the operation, manipulation, removal or replacement task. (For example, an adjustment control behind an aperture should be located sufficiently close to the aperture to enable a suitably clothed and equipped user with a 5th percentile female depth of reach to grasp and manipulate the adjustment control , while the opening should be sufficiently large to enable passage of similarly clothed and equipped 95th percentile male hand and arm dimensions. See 5.6.1.)

3.3 Advisory signal.
A signal to indicate safe or normal configuration, condition of performance, operation of essential equipment, or to attract attention and impart information for routine action purposes.

3.4 Angle of incidence. The angle-between the line of direction of anything (as a ray of light or line of signt) striking a surface and a line perpendicular to that surface drawn to the point of contact.

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military standard
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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 shall be applied to the design of all systems, subsystems, equipment and facilities. Nothing in this standard shall 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 is applicable 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.

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