with original manufacturing standards. Rebuild is
the highest degree of materiel maintenance applied
to Army Equipment. The rebuild operation includes
the act of returning to zero those age measurements
(hours/miles, etc.) considered in classifying Army
d. Column 4, Maintenance Category. This col-
umn is made up of subcolumns for each category of
maintenance. Work time figures are listed in these
subcolumns for the lowest level of maintenance au-
thorized to perform the function listed in Column 3.
These figures indicate the average active time re-
quired to perform the maintenance function at the
indicated category of maintenance under typical
field operating conditions.
e. Column 5, Tools and Equipment. This col-
umn is provided for referencing by code, the com-
mon tool sets (not individual tools) special tools,
test and support equipment required to perform the
C-3. Explanation of Columns in Sec-
a. Column 1, Reference Code. This column
consists of an Arabic number listed in sequence
from Column 5 of Section II. The number references
the common tool sets, special tools and test equip-
b. Column 2, Maintenance Category. This col-
umn shows the lowest category of maintenance au-
thorized to use the special tools or test equipment.
c. Column 3, Nomenclature. This column lists
the name or identification of the common tool sets,
special tools or test equipment.
d. Column 4, National/NATO Stock No.
(NSN). This column is provided for the NSN of
common tool sets, special tools and test equipment
listed in the Nomenclature column.
e. Column 5, Tool Number. This column lists
the manufacturers code and part number of tools
and test equipment.