C ............... Operator or crew maintenance
O ............... Unit maintenance
F ............... Direct support maintenance
L ............... Specialized Repair Activity (SRA)5
H ............... General support maintenance
D ............... Depot maintenance.
B-3.5 Column (5), Tools and Equipment Reference Code. Column (5) specifies, by code, those common tool sets (not
individual tools), common Test, Measurement and Diagnostic Equipment (TMDE), and special tools, special TMDE, and
special support equipment required to perform the designated function. Codes are keyed to the entries in the tools and test
B-3.6 Column (6), Remarks Code. When applicable, this column contains a letter code, in alphabetical order, which is
keyed to the remarks table entries.
EXPLANATION OF COLUMNS IN TOOLS AND TEST EQUIPMENT REQUIREMENTS, SECTION III
B-4.1 Column (1), Tool or Test Equipment Reference Code. The tool and test equipment reference code correlates with a
code used column (5), Section II of the MAC.
Column (2), Maintenance Level. The lowest level of maintenance authorized to use the tool or test equipment.
Column (3), Nomenclature. Name or identification of the tool or test equipment.
Column (4), National Stock Number. The National Stock Number (NSN) of the tool or test equipment.
Column (5), Tool Number. The manufacturers part number.
EXPLANATION OF COLUMNS IN REMARKS, SECTION IV
Column (1), Remarks Code. The code recorded in Column (6), Section II of the MAC.
B-5.2 Column (2), Remarks. This column lists information pertinent to the maintenance functions being performed as
indicated in the MAC, Section II
The "L" maintenance level is not included in Section II, column (4) of the MAC. Functions to this level of maintenance are identified by a work time figure
in the "H" column of Section II, column (4), and an associated reference code is used in the REMARKS, column (6). This code is keyed to the remarks and
the SRA complete repair application is explained there.