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:
Operator or crew
Direct Support Maintenance
General Support 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
e. 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.