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TM 10-5430-226-20P
Source
Code
PA
PB
PC**
PD
PE
PF
PG
KD
KF
KB
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 3rd 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 3rd position of the SMR
code. The complete kit must be requisitioned and applied.
MO
MF
MH
ML
MD
AO
AF
AH
AL
AD
(Made at Unit/AVUM Level)
(Made at DS/AVIM Level)
(Made at GS Level)
(Made at Specialized Repair
Activity (SRA))
(Made at Depot)
(Assembled by Unit/AVUM
Level)
(Assembled by DS/AVIM
Level)
(Assembled by GS Category)
(Assembled by SRA)
(Assembled by Depot)
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 Mate-
rial group of the repair parts list in this RPSTL. lf the item is au-
thorized to you by the 3rd 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.
Items with these codes are not to be requested/requisitioned in-
dividually. The parts that make up the assembled item must be
requisitioned or fabricated and assembled at the level of mainte-
nance indicated by the source code. If the 3rd position code of
the SMR code authorizes you to replace the item, but the source
code indicates the items are assembled at a higher level, order
the item from the higher level of maintenance.
XA
Do not requisition "XA"-coded item. Order its next higher assembly. (Refer to the NOTE below.)
XB
If an ‘XB” item is not available from salvage, order it using the CAGEC and part number given.
XC
Installation drawing, diagram, instruction sheet, field service drawing, that is identified manufacturer’s part
number.
XD
Item is not stocked. Order an “XD”-coded item through normal supply channels using the CAGEC and
part number given, if no NSN is available.
NOTE
Cannibalization or controlled exchange, when authorized, may be used as a
source of supply for items with the above source codes, except for those source
coded “XA” or those aircraft support items restricted by requirements of AR
750-1.
(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:
2
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