EXPLANATION OF COLUMNS IN THE MAC, SECTION II - Continued
c. Column (3) - Maintenance Function. Column 3 lists the functions to be performed on the
item listed in column 2.
d. Column (4) - Maintenance Level. Column 4 specifies, by the listing of a work time figure in
the appropriate subcolumn(s), the lowest level of maintenance authorized to perform the
function listed in column 3. This figure represents the active time required to perform that
maintenance function at the indicated level of maintenance. If the number or complexity of
tasks within the listed maintenance function vary at different maintenance levels, appropriate
work time figures will be shown for each level. The work time figure represents the average
time required to restore an item (assembly, subassembly, component, module, end item, or
system) to a serviceable condition and typical field operating conditions. This time includes
preparation time, (including necessary disassembly/assembly time), troubleshooting/fault
location time, and quality assurance/quality control time in addition to the time required to
perform the specific tasks identified for the maintenance function authorized in the
maintenance allocation chart. The symbol designations for the various maintenance levels are
C - Operator/Crew (Field Maintenance)
O - Organizational (Field Maintenance
F - Direct Support (Field Maintenance)
H - General Support (Sustainment Maintenance)
D Depot (Sustainment Maintenance)
e. Column (5) - Tools and Equipment. Column 5 specifies by code, those common tool sets,
(not individual tools) and special tools, TMDE, and support equipment required to perform the
f. Column (6) - Remarks. Column 6 identifies remarks defined in Section IV.
EXPLANATION OF COLUMNS IN TOOL AND TEST EQUIPMENT REQUIREMENTS, SECTION
a. Column (1) - Reference Code. The tool and test equipment reference code correlates with a
code used in the MAC, Section II, column 5.
b. Column (2) - Maintenance Level. The lowest level of maintenance authorized to use the tool
or test equipment.
c. Column (3) - Nomenclature. This column lists the name and nomenclature of the tools and
test equipment required to perform the maintenance function.
d. Column (4) - National/NATO Stock Number. This column lists the National/NATO stock
number of the specific tool or test equipment.
e. Column (5) - Tool Number. This column lists the manufacturer's part number of the tool
followed by the Contractor and Government Entity (CAGE) code (five digits) in parenthesis.