f. Column 6, Remarks. When applicable, this column contains a letter code, in alphabetical order, which is keyed to
the remarks contained in Section IV.
B-4. EXPLANATION OF COLUMNS IN TOOL AND TEST EQUIPMENT REQUIREMENTS, SECTION IlI.
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 Level. The lowest level 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, model number, or type number.
B-5. EXPLANATION OF COLUMNS IN REMARKS, SECTION IV.
a. Column 1, Remarks 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.