TM 9-4931-508-34P
Source code
Maintenance Code
Recoverability
Code
XX
1st
XX
X
5th
positions
position
How you get an item
3d position
4th position
Who determines
Disposition action on
an unserviceable item
Who can install
Who can do
replace or use
complete repair*
the item
on the item
*Complete Repair: Maintenance capacity, capability, and authority to perform all the
corrective maintenance tasks of the "Repair" function in a use/user environment in order to
restore serviceability to a failed item.
(1) Source Code. The source code tells you how you get an item needed for maintenance, repair, or overhaul
of an end item/equipment. Source codes are always the first two positions of the SMR code. Explanation of
source codes follows:
Code
Explanation
PA
Stocked items; use the applicable NSN to request/requisition items with this code. This item is authorized to the
category indicated by the code entered in the 3d position of the SMR code.
XD
Item is not stocked. Order an "XD" coded item through normal supply channels using the FSCM and part number
given, if no NSN is available.
(2) Maintenance Code. Maintenance codes tell you the level(s) of maintenance authorized to USE and
REPAIR support items. The maintenance codes are entered in the third and fourth positions of the SMR code as
follows:
(a) The maintenance code entered in the third position tells maintenance level authorized to remove,
replace, and use an item. The maintenance code entered in the third position will indicate
authorization to the following level of maintenance.
Code
Application/Explanation
F
Direct support level can remove, replace, and use the item.
2
