Downloaded from https://www.everyspec.com MIL-HDBK-502: A MIL-HDBK-502: A CQUISITION CQUISITION L OGISTICS OGISTICS Maintainability The measure of the ability of an item to be retained in, or restored to, specified condition when maintenance is performed by personnel having specified skill levels, using prescribed procedures and resources, at each specified level of maintenance and repair. Example The vehicle will have a mean time to repair (MTTR) that does not exceed 2.0 hours at X maintenance level. Manpower Supportability The consideration of the total supply of persons available and fitted to support a system.
It is identified by slots or billets and characterized by descriptions of the required people to fill them. Examples Performance of duties will be accomplished by soldiers within the physical capabilities specified in AR 611-201 for each MOS designated to support, operate, maintain, repair, and supervise the employment of the system. Introduction of the 15/30/60 KW generators into the Army inventory will not cause an increase in the number of personnel to operate or support them in excess of those required to run DoD generator sets . Human Factors The design of man-made devices , systems, and environments to enhance their use by people. Also called human engineering or ergonomics.
Example The operational controls shall be within arm’s reach for the 95th percentile of soldiers. Training Requirements The processes, procedures, techniques, training devices, and equipment used to train civilian and active duty and reserve military personnel to operate and support a materiel system. Those include individual and crew training; new equipment training; initial, formal, and on-the-job training; and logistic support planning for training equipment and training device acquisitions and installations. 6-10