TM 10-6640-216-13&P
B-3. EXPLANATION OF COLUMNS IN THE MAC - SECTION II - continued.
d.
Column 4, Maintenance Category. Column 4 specifies, by the listing of a work time figure in
the appropriate subcolumn(s), category 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 category of maintenance. If the number or complexity of the tasks within the listed
maintenance function vary at different maintenance categories, appropriate work time figures will be
shown for each category. 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 under
typical field operating conditions. This time includes preparation time (including any 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
functions authorized in the maintenance allocation chart. The symbol designations for the various
maintenance categories are as follows:
C . . . . . . . . . . . . . . . . . Operator or crew
O. . . . . . . . . . . . . . . . .
Unit
Maintenance
F . . . . . . . . . . . . . . . . . Direct Support Maintenance
H . . . . . . . . . . . . . . . . . General Support Maintenance
D . . . . . . . . . . . . . . . . . Depot Maintenance
e.
Column 5, Tools and Equipment. Column 5 specifies, by code, those common tool sets (not
individual tools) and special tools, TM DE, and support equipment required to perform the designated
function.
f.
Column 6, Remarks. This column, when applicable, contains a letter code, in alphabetic order,
which shall be keyed to the remarks contained in Section IV.
B-4. EXPLANATION OF COLUMNS IN TOOL AND TEST EQUIPMENT
REQUIREMENTS, SECTION III.
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 Category. The lowest category of maintenance authorized to use the
tool or test equipment.
c.
Column 3, Nomenclature. Name or identification of the tool or test equipment.
d.
Column 4, National Stock Number. The national stock number of the tool or test equipment.
e.
Column 5, Tool Number. The manufacturer’s part number.
B-5. EXPLANATION OF COLUMNS IN REMARKS, SECTION IV.
a.
Column 1, Reference Code. The code recorded in the MAC, Section II, column 6.
b.
Column 2, Remarks. This column lists informat ion pertinent to the maintenance function being
performed as indicated in the MAC, Section II.
B-3
