TM 5-6675-250-20
B-3. COLUMN ENTRIES USED IN THE MAC (Continued)
d.
C o l u m n 4 , M a i n t e n a n c e L e v e l .
Column 4 specifies, by the listing of a work/time figure in the
a p p r o p r i a t e s u b c o l u m n ( s ) , t h e l o w e s t l e v e l o f m a i n t e n a n c e a u t h o r i z e d t o p e r f o r m t h e f u n c t i on
listed in column 3. This figure represents the active time required to perform the maintenance
function at the indicated level of maintenance. If the number or complexity of the tasks within
the listed maintenance function vary at different maintenance levels, appropriate work/time fig-
ures represents the average time required to restore an item (assembly, subassembly, compo-
n e n t , m o d u l e , e n d i t e m , o r s y s t e m ) t o a s e r v i c e a b l e c o n d i t i o n u n d e r t y p i c a l f i e l d o p e r a t i ng
c o n d i t i o n s . T h i s t i m e i n c l u d e s p r e p a r a t i o n t i m e , t r o u b l e s h o o t i n g t i m e a n d q u a l i t y a s s u r a n c e/
quality control 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 designa-
tions for the various maintenance levels are as follows:
C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..
Operator or Crew
O
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
O r g a n i z a t i o n a l
M a i n t e n a n ce
F . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
D i r e c t S u p p o r t M a i n t e n a n ce
H
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
G e n e r a l S u p p o r t M a i n t e n a n ce
D . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
D e p o t M a i n t e n a n ce
e.
C o l u m n 5 , T o o l s a n d E q u i p m e n t.
Column 5 specifies, by code, those common tool sets (not
individual tools) and special tools, test, and support equipment required to perform the designat-
e d f u n c t i o n .
f.
Column 6, Remarks. This column shall contain a letter code in alphabetical order which shall
be keyed to the remarks contained in Section Ill.
B-4. COLUMN ENTRIES USED IN TOOL AND TEST EQUIPMENT REQUIREMENTS
a .
Column 1, Reference Code. This code scheme recorded in column 5, Section Il.
b.
C o l u m n 2 , M a i n t e n a n c e C a t e g o r y.
This column shows the lowest level of maintenance author-
ized to use the tool or test equipment.
c .
Column 3, Nomenclature. This column lists the name or identification of the tool or test equip
m e n t .
d .
C o l u m n 4 , N a t i o n a l / N A T O S t o c k N u m b e r . T h i s c o l u m n l i s t s t h e N a t i o n a l / N A T O S t o c k N u m b er
of the tool or test equipment.
e .
Column 5, Tool Number. This column lists the manufacturer’s code or part number of the tool
or test equipment.
B-3
