TM 55-4920-227-15
responsible for assembling the item.
repair parts upon removal from equipment at time of
(5) Code X--applies to parts and assemblies
maintenance, repair, or overhaul.
which are not procured or stocked, the
(1) Code R--applies to repair parts and
mortality of which normally is below that of
assemblies
which
are
economically
the applicable end item, and the failure of
reparable at direct and-general support
which should result in retirement of the end
maintenance categories and normally are
item from service.
furnished by supply on an exchange basis.
(6) Code X1--applies to repair parts which are
(2) Code T--applies to high dollar value
not procured or stocked, the requirement for
recoverable repair parts which are subject to
which will be supplied by use of the next
special handling and are issued on an
higher assembly.
exchange basis. Such repair parts normally
(7) Code X2--applies to repair parts which are
are repaired or overhauled at depot
not stocked.
Indicated maintenance
maintenance activities.
category requiring such repair parts will
(3) Code U--applies to repair parts specifically
attempt
to
obtain
them
through
selected for salvage by reclamation units
cannibalization. Such repair parts will be
because of precious metal content, critical
requisitioned with supporting justification
materials, high dollar value, reusable
through normal supply channels.
casings or castings, etc.
(8) Code C--applies to repair parts authorized
(4) Repair parts and assemblies not assigned a
for local procurement. If not obtainable from
recoverability code shall be considered
local procurement, such repair parts will be
"throwaway" items.
requisitioned
through
normal
supply
e. Federal Stock Number.
The Federal stock
channels with a supporting statement of
number consists of applicable 4-digit FSC code number
nonavailability from local procurement.
plus the 7-digit Federal item identification number which
(9) Code G--applies to major assemblies that
are to be utilized for requisitioning, storage, and
are procured with PEMA funds for initial sue
accountability purposes.
only to be used as exchange assemblies at
f. Description.
direct support maintenance activities. These
(1) This column furnishes the item name, a brief
assemblies will not be stocked above direct
description when necessary, and authorized
support maintenance level or returned to
abbreviations or dimensions when required
depot supply level.
to provide further identification. A comma
(10) Code Z--applies to obsolete repair parts no
will be used to separate the basic noun or
longer stocked or procured.
noun phrase from its modifiers. This column
c. Maintenance Level Code. The code symbol
also reflects IMO (in multiples of) or the
used in the maintenance level column indicates the
standard unit pack quantity in which the item
lowest maintenance category authorized to install the
is issued. For those items with a unit of
repair parts.
Capabilities of higher maintenance
issue of each, pound, set, etc., that do not
categories are considered equal or better.
indicate an IMO, a quantity of one will be
(1) Code
O--Organizational
Maintenance
understood and not placed in this column.
Category.
(2) Oversize and undersize parts such as studs,
(2) Code F--Direct Support Maintenance
bushings, etc., are listed immediately after
Category.
the standard size part and in the same
(3) Code H--General Support Maintenance
indent.
The degree of oversize and
Category.
(4) Code D--Depot Maintenance Category.
d. Recoverability Code.
Recoverability codes
reflect recoverability or reparability characteristics of
AGO 6729A
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