0143
TM 1-1740-221-13&P&P
MT3 REPAIR PARTS SPECIAL TOOLS LIST (RPSTL) INTRODUCTION - (CONTINUED)
Source Code
Application/Explanation
NOTE
PA
PB
PC
PD
PE
Stock items; use the applicable NSN to requisition/request items with
PF
these source codes. They are authorized to the level indicated by the
PG
code entered in the third position of the SMR code.
PH
PR
PZ
KD
Items with these codes are not to be requested/requisitioned individually.
KF
They are part of a kit which is authorized to the maintenance level indicated
KB
in the third position of the SMR code. The complete kit must be requisitioned
and applied.
Items with these codes are not to be requisitioned/requested individually.
MF-Made at ield
MH-Made at below
They must be made from bulk material which is identiied by the part number
depot/sustainment level
in the DESCRIPTION AND USABLE ON CODE (UOC) column and listed in
ML-Made at SRA
the bulk material group work package of the RPSTL. If the item is authorized
MD-Made at depot
to you by the third position code of the SMR code, but the source code
MG-Navy only
indicates it is made at higher level, order the item from the higher level of
maintenance.
AF-Assembled at ield
Items with these codes are not to be requested/requisitioned individually.
AH-Assembled by below
The parts that make up the assembled item must be requisitioned or
depot sustainment level
fabricated and assembled at the level of maintenance indicated by the
AL-Assembled by SRA
source code. If the third position of the SMR code authorizes you to replace
AD-Assembled by depot
the item, but the source code indicates the item is assembled at a higher
AG-Navy only
level, order the item from the higher level of maintenance.
XA
Do not requisition an "XA" coded item. Order the next higher assembly.(Refer
to NOTE below.)
XB
If an item is not available from salvage, order it using the CAGEC and part
number. Installation drawings, diagrams, instruction sheets, ield service
drawings; identiied by manufacturer's part number.
XC
XD
Item is not stocked. Order an XD-coded item through local purchase or
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 items source coded "XA" or those aircraft support items
restricted by requirements of AR 750-1.
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:
Third Position. The maintenance code entered in the third position tells you the lowest maintenance level
authorized to remove, replace, and use an item. The maintenance code entered in the third position will
indicate authorization to the following levels of maintenance:
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