TM 5-5430-211-13&P 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: Source Code Maintenance Code Recoverability Code XX XX X How you get an item. 3d position 4th position Who can install, Who can do replace or use complete the item. Repair (see note) on the item. Who determines disposition action on an unserviceable the item. *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 Stocked  items;  use  the  applicable  NSN  to  request/requisition  items  with  these source   codes.      They   are   authorized   to   the   category   indicated   by   the   code entered in the 3d position of the SMR code. **NOTE: Items coded PC are subject to deterioration. Items with these codes are not to be requested/requisitioned individually.  They are part of a kit which is authorized to the maintenance category indicated in the 3d  position  of  the  SMR  code.    The  complete  kit  must  be  requisitioned  and applied. Explanation Items with these codes are not to be requested/requisitioned individually.  They must be made from bulk material which is identified by the part number in the DESCRIPTION  and  USABLE  ON  CODE  (UOC)  column  and  listed  in  the  Bulk Material group of the repair parts list in this RPSTL.  If the item is authorized to you by the 3d position code of the SMR code, but the source code indicates it is made at a higher level, order the item from the higher level of maintenance. C-2 1    two positions PA PB PC** PD PE PF PG KD KF KB MO— Made at org.. AVUM Level MF— (Made at DS/ AVUM Level MH— (Made at GS Level) ML— Made at Specialized Repair Activity (SRA)) MD— (Made at Depot)