Explanation of Columns in the Tools and Test Equipment Requirements

TM 9-4120-430-14

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(including any necessary disassembly/ assembly time), troubleshooting/fault location time, and quality assurance time, in

addition to the time required to perform the specific tasks identified for the maintenance functions authorized in the

MAC. The symbol designations for the various maintenance levels are as follows:

Field:

C Operator or crew maintenance

O Unit maintenance

F Direct support maintenance

Sustainment:

H General support maintenance

D Depot maintenance

NOTE

The L maintenance level is not included in column (4) of the MAC. Functions to this level of

maintenance are identified by a work time figure in the H column of 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.

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 equipment table.

Column (6) - Remarks Code. When applicable, this column contains a letter code, in alphabetic order, which is keyed to

the remarks table entries.

Explanation of Columns in the Tools and Test Equipment Requirements

Column (1) - Tools/Test Equipment Reference Code. The tool and test equipment code correlates with a code used in

column (5) 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 (NSN). The NSN of the tool or test equipment.

Column (5) - Tool Number. The manufacturer's part number, model number, or type number.

Explanation of Columns in the Remarks

Column (1) - Remarks Code. The code recorded in Column (6) of the MAC.

Column (2) - Remarks. This column lists information pertinent to the maintenance function being performed as

indicated in the MAC.

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