TM 5-4610-221-34P
Code
M H
M D
AO
A F
A H
A D
X A
X B
XC
X D
Definition
Item to be manufactured or fabricated at
the general support maintenance level.
Item to be manufactured or fabricated at
the depot maintenance level.
Item to be assembled at organizational
level.
I t e m t o b e a s s e m b l e d a t t h e d i r e ct
support maintenance level.
Item to be assembled at general support
maintenance level.
Item to be assembled at depot main-
tenance level.
Item is not procured or stocked because
the requirements for the item will result
in the replacement of the next higher
assembly.
Item is not procured or stocked. If not
available through salvage, requisition.
Installation
drawing,
diagram,
instruction sheet, field service drawing,
that is identified by manufacturer’s part
n u m b er
A s u p p o r t i t e m t h a t i s n o t s t o c k e d.
W h e n- required, item will be procured
through normal supply channels.
N O TE
Cannibalization or salvage maybe used
as a source of supply for any items cod-
ed above except those coded XA and
s u p p o r t i t e m s a s r e s t r i c t e d b y AR
700-42.
(2) Maintenance Code. Maintenance codes are
assigned to indicate the levels of maintenance
authorized to USE and REPAIR support items.
The maintenance codes are entered in the third and
fourth positions of the Uniform SMR Code format
as follows:
(a) The maintenance code entered in the
third position will indicate the lowest maintenance
level authorized to remove, replace, and use the
support item. The maintenance code entered in the
third position will indicate one of the following
levels of maintenance:
Code
Application/Explanation
C
C r e w o r o p e r a t o r m a i n t e n a n c e p e r-
formed within organizational mainte-
nance.
2
O
I
Support item is removed, replaced, used
at the organizational level.
Support item is removed, replaced, used
by the direct support element of in-
tegrated direct support maintenance.
F
Support item is removed, replaced, used
at the direct support level.
H
Support item is removed, replaced, used
at the general support level.
D
Support items that are removed, re-
placed, used at depot, mobile depot, or
specialized repair activity only.
N O T E
C o d e s “ I ” a n d “ F ” w i l l b e c o n s i d e r e d
the same by direct support units.
(b) The maintenance code entered in the
fourth position indicates whether the item is to be
repaired and identifies the lowest maintenance
level with the capability to perform complete
repair (i.e., all authorized maintenance functions).
This position will contain one of the following
maintenance codes:
Code
O
F
H
D
L
Z
B
Application/Explanation
The lowest maintenance level capable of
complete repair of the support item is
the organizational level.
The lowest maintenance level capable of
complete repair of the support item is
the direct support level.
The lowest maintenance level capable of
complete repair of the support item is
the general support level.
The lowest maintenance level capable of
complete repair of the support item is
the depot level.
R e p a i r r e s t r i c t e d t o d e s i g n a t e d,
specialized repair activity.
Nonreparable. No repair is authorized.
No repair is authorized. The item maybe
reconditioned by adjusting, lubricating,
etc., at the user level. No parts or special
tools are procured for the maintenance
of this item.
(3) Recoverability Code. Recoverability codes
are assigned to support items to indicate the
