the group numbers in the MAC and
d. Column 4, Maintenance Category.
specifies, by the listing of a "worktime" figure in the
appropriate subcolumn (s), the lowest
maintenance authorized to perform the function
C-4. Tool and Test Equipment Requirements
listed in column 3. This figure represents the active
time required to perform that Maintenance function
a. Tool or Test Equipment Reference Code. The
at the indicated category of maintenance. If the
numbers in this column coincide with the numbers
number or complexity of the tasks within the listed
used in the tools and equipment, column of the MAC.
maintenance function vary at different maintenance
The numbers indicate the applicable tool or test
categories, appropriate ``worktime" figures will be
equipment for the maintenance functions.
shown for each category. The number of man-hours
b. Maintenance Category. The codes in this
specified by the ``worktime" figure represents the
column indicate the maintenance category allocated
average time required to restore an item (assembly,
the tool or test equipment.
subassembly, component, module, end item or
c. Nomenclature. This column lists the noun
system) to a serviceable condition under typical field
name and nomenclature of the tools and test
operating conditions. This time includes preparation
equipment required to perform the maintenance
time, troubleshooting time and quality assurance/
quality control time in addition to the time
d. National/NATO Stock Number. This colunn
required to perform the specific tasks identified for
lists the National/NATO stock number of the
the maintenance functions authorized in the
specific tool or test equipment.
maintenance allocation chart. Subcolumns of column
e. Tool Number.
This column lists the
4 are as follows:
manufacturer's part number of the tool followed by
C - Operator/crew
the Federal Supply Code for manufacturers (5-digit)
O - Organizational
F - Direct Support
H - General Support
D - Depot