b. Column 2, Maintenance Category. The lowest category of maintenance authorized to use the tool or test
Column 3, Nomenclature. Name or identification of the tool or test equipment.
Column 4, National Stock Number. The National stock number of the tool or test equipment.
Column 5, Tool Number. The manufacturer's part number.
C-5. EXPLANATION OF COLUMNS IN REMARKS, SECTION IV
Column 1, Reference 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.