C3, TM 9-2320-211-20
individual tools) and special tools, test, and support
within the listed maintenance function vary at different
maintenance levels, appropriate "work time" figures will
equipment required to perform the designated function.
be shown for each level. The number of manhours
specified by the "work time" figure represents the average
time required to restore an item (assembly, subassembly,
B-4. Column Entries Used in Tool and Test
component, module, end item, or system) to a serviceable
Equipment Requirements.
condition under typical field operating conditions. This
a. Column 1, Tool or Test Equipment Reference
time includes preparation time, troubleshooting time,
and quality assurance / quality control time in addition to
Code. The tool and test equipment reference code
the time required to perform the specific tasks identified
correlates with a maintenance function on the identified
for the maintenance functions authorized in the
end item or component.
maintenance allocation chart. The symbol designations
b. Column 2, Maintenance Level. The lowest level of
for the various maintenance levels are as follows:
maintenance authorized to use the tool or test equipment.
c. Column 3, Nomenclature. Name or identification of
C . . . . . . . . . . . . . . . . . . . . . . . . . . . . Operator or crew
the tool or test equipment.
O . . . . . . . . . . . . . . . . . . . . . Organization maintenance
F
Direct support maintenance
d. Column 4, National/NATO Stock Number. The
H. . . . . . . . . . . . . . . . . . . . .. . General support maintenance
National or NATO stock number of the tool or test
D . . . . . . . . . . . . . . . . . . . . . . . . . . . Depot maintenance
equipment.
e. Column 5, Tool Number. The manufacturer's part
e. Column 5, Tools and Equipment. Column 5
number.
specified, by code, those common tool sets (not
f. Column 6. Remarks. This column lists information
pertinent to the maintenance functions being performed
as indicated on the MAC, section II.
B-2
