TM 10-4320-303-13
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 maintenance allocation chart. The symbol designations for the
various maintenance levels are as follows:
C........................................................... Operator or crew maintenance
O........................................................... Unit maintenance
F ........................................................... Direct Support maintenance
L ........................................................... Specialized Repair Activity (SRA)5
H........................................................... General support maintenance
D........................................................... Depot maintenance
B.3.5 Column 5, Tools and Test Equipment Reference Code . Column 5 specifies, by code, those common
tool sets (not individual tools), common TMDE, and special tools, special TMDE, and special support
equipment required to perform the designated function. Codes are keyed to tools and test equipment in
Section III.
B.3.6 Column 6, Remarks. When applicable, this column contains a letter code, in alphabetic order, which is
keyed to the remarks contained in Section IV.
B.4 EXPLANATION OF COLUMNS IN TOOL AND TEST EQUIPMENT REQUIREMENTS, SECTION III .
B.4.1 Column 1, Reference Code. The tool and test equipment reference code correlates with a code used in
the MAC, Section II, Column 5.
B.4.2 Column 2, Maintenance Level. The lowest level of maintenance authorized to use the tool or test
equipment.
B.4.3 Column 3, Nomenclature. Name or identification of the tool or test equipment.
B.4.4 Column 4, National Stock Number . The National Stock Number of the tool or test equipment.
B.4.5 Column 5, Tool Number . The manufacturer's part number, model number, or type number.
B-5 EXPLANATION OF COLUMNS IN REMARKS, SECTION IV .
B.5.1 Column 1, Remarks Code. The code recorded in Column 6, Section II.
B.5.2 Column 2, Remarks. This column lists information pertinent to the maintenance function being
performed as indicated in the MAC, Section II.
5 This maintenance category is not included in Section II, column (4) of the Maintenance Allocation Chart.
To identify functions to this category of maintenance, enter a work time figure in the "H" column of Section II,
column (4), and use an associated reference code in the Remarks column (6). Key the code to Section IV,
Remarks, and explain the SRA complete repair application there. The explanatory remark(s) shall reference
the specific Repair Parts and Special Tools List (RPSTL) TM which contains additional SRA criteria and the
authorized spare/repair parts.
B-3
