TM 10-4320-346-12&P
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, TMDE, and support equipment required to perform the
designated function.
f.
Column 6, Remarks. This column shall, when applicable, contain 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 column 6, Section II
b. Column 2, Remarks. This column lists information pertinent to the maintenance function being
performed as indicated in the MAC, Section II.
B-3
