TM 5-4310-368-24P
3. EXPLANATION OF COLUMNS (SECTIONS II AND III).
a. Item No. (Column (1)). Indicates the number used to identify items called out in the illustration.
b. SMR Code (Column (2)). The Source, Maintenance, and Recoverability (SMR) code is a 5-position code
containing supply/requisitioning information, maintenance category authorization criteria, and disposition
instruction, as shown in the following breakout:
*Complete Repair: Maintenance capacity, capability, and authority to perform all 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 to get an item needed for maintenance, repair, or
overhaul of an end item/equipment. Explanations of source codes follows:
Code
Explanation
PA
PB
Stocked items; use the applicable NSN to request/requisition items with these
PC**
source codes. They are authorized to the category indicated by the code entered
PD
in the 3rd position of the SMR code.
PE
PF
**NOTE: Items coded PC are subject to deterioration.
PG
KD
Items with these codes are not to be requested/requisitioned individually. They
KF
are part of a kit which is authorized to the maintenance category indicated in the
KB
3rd position of the SMR code. The complete kit must be requisitioned and applied.
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