TM-9-2520-238-34P
M113A1 FOV, M113A2 FOV, M548 AND M548A1
DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE REPAIR PARTS AND SPECIAL TOOLS LIST (INCLUDING DEPOT MAINTENANCE REPAIR PARTS AND SPECIAL TOOLS LIST); RIGHT ANGLE DRIVE, COOLING FAN; GEARCASE, TRANSFER; DRIVE ASSEMBLY, FINAL; DIFFERENTIAL, STEERING CONTROL; BRAKE, SINGLE DISK; CYLINDER ASSEMBLY, HYDRAULIC BRAKE
TM-9-2520-238-34P - Page 6 of 80
TM 9-2520-238-34P
2
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 level authorization criteria, and disposition
instructions, as shown in the following breakout:
Source
Maintenance
Recoverability
Code
Code
Code
XX
XX
X
1st two positions
3rd position
4th position
5th position
How you get an item
Who can install,
Who can do
Who determines
replace or use
complete repair*
disposition action on
the item
on the item
an unserviceable 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
Application/Explanation
PA
PB
Stocked items; use the applicable NSN to request/
PC**
requisition items with these source codes. They are
PD
authorized to the level indicated by the code
PE
entered in the 3rd position of the SMR code.
PF
PG
**Items coded PC are subject to deterioration.
Items with these codes are not to be requested/
KD
requisitioned individually. They are part of a kit
KF
which is authorized to the maintenance level
KB
indicated in the 3rd position of the SMR code. The
complete kit must be requisitioned and applied.
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