B-4. EXPLANATION OF COLUMNS IN TOOL AND TEST EQUIPMENT REQUIREMENTS,
Column 1, Reference Code. The tool and test equipment reference code correlates with a code used in the MAC,
section II, column 5.
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.
B-5. EXPLANATION OF COLUMNS IN REMARKS, SECTION IV
Column 1. Reference Code. This column refers to the code recorded in column 6, Section II.
Column 2. Remarks. This column lists information pertinent to the maintenance function being performed as
indicated in the MAC, section II.