f. Column 6, Remarks. Column 6 contains an alphabetic code which leads to the remark in section IV, Remarks,
which is pertinent to the item opposite the particular code.
B-4. Tool and Test Equipment Requirements (Sect. III and IV)
a. Tool or Test Equipment Reference Code. The numbers in this column coincide with the numbers used in the
tools and equipment column of the MAC. The numbers indicate the applicable tool or test equipment for the
b. Maintenance Level. The codes in this column indicate the maintenance level allocated the tool or test
c. Nomenclature. This column lists the noun name and nomenclature of the tools and test equipment required to
perform the maintenance functions.
d. National/NATO Stock Number. This column lists the National/NATO stock number of the specific tool or test
e. Tool Number. This column lists the manufacturer's part number of the tool followed by the Federal Supply
Code for manufacturers (5-digit) in parentheses.
B-5. Remarks (Sect. IV)
a. Reference Code. This code refers to the appropriate item in section II, column 6.
b. Remarks. This column provides the required explanatory information necessary to clarify items appearing in