(a) The maintenance code entered in the third
position will indicate the lowest maintenance level
authorized to remove, replace, and use the support
item. The maintenance code entered in the third
position will indicate one of the following levels of
C Crew or operator maintenance performed within
O Support item is removed, replaced, used at the
I Support item is removed, replaced, used by the direct
support element of integrated direct support
F Support item is removed, replaced, used at the direct
H Support item is removed, replaced, used at the
general support level.
D Support items that are removed, replaced, used at
depot, mobile depot, specialized repair activity
Codes "I" and "F" will be considered
the same by direct support units.
(b) The maintenance code entered in the fourth
position indicates whether the item is to be repaired and
identifies the lowest maintenance level with the
capability to perform complete repair (i.e., all authorized
maintenance functions). This position will contain one
of the following maintenance codes:
O The lowest maintenance level capable of complete
repair of the support item is the organizational
F The lowest maintenance level capable of complete
repair of the support item is the direct support
H The lowest maintenance level capable of complete
repair of the support item is the general support
D The lowest maintenance level capable of complete
repair of the support item is the depot level.
L Repair restricted to designated specialized repair
Z Nonreparable. No repair is authorized.
B No repair is authorized. The item may be
reconditioned by adjusting, lubricating, etc., at the
user level. No parts or special tools are procured
for the maintenance of this item.
(3) Recoverability code. Recoverability codes
are assigned to support items to indicate the disposition
action on unserviceable items. The recoverability code
is entered in the fifth position of the Uniform SMR Code
format as follows:
Z Nonreparable item. When unserviceable, condemn
and dispose at the level indicated in position 3.
O Reparable item. When uneconomically reparable,
condemn and dispose at organizational level.
F Reparable item. When uneconomically reparable,
condemn and dispose at the direct support level.
H Reparable item. When uneconomically reparable,
condemn and dispose at the general support level.
D Reparable item. When beyond lower level repair
capability, return to depot. Condemnation and
disposal not authorized below depot level.
L Reparable item. Repair, condemnation, and disposal
not authorized below depot/specialized repair
A Item requires special handling or condemnation
procedures because of specific reasons (i.e.,
precious metal content, high dollar value, critical
c. National Stock Number. Indicates the National
stock number assigned to the item and will be used for
d. Part Number. Indicates the primary number
used by the manufacturer which controls the design and
characteristics of the item by means of its engineering
drawings, specifications standards, and inspection
requirements to identify an item or range of items.
When a stock numbered item is
received may have a different part
number than the part being replaced.
e. Federal Supply Code for Manufacturer
(FSCM). The FSCM is a 5-digit numeric code listed in
SB 708-42 which is used to identify the manufacturer,
distributor, or Government agency, etc.
f. Description. Indicates the Federal item name
and, if required, and minimum description to identify the
item. Items that are included in kits and sets are listed
below the name of the kit or set with the quantity of each
item in the kit or set indicated in the quantity
incorporated in unit column. When the part to be used
differs between serial numbers of the same model, the
effective serial numbers are shown as the last line of the
description. In the Special Tools List, the initial basis of
issue (BOI) appears as the last line in the entry for each
special tool, TMDE, and support equipment. When
density of equipments supported exceeds density
spread indicated in the basis of issue, the total
authorization is increased accordingly.
g. Unit of Measure (U/M). Indicates the standard
of the basic quantity of the listed item as used in
performing the actual maintenance function. This
measure is expressed by a two-character alphabetical
abbreviation (e.g., ea, in, pr, etc.). When the unit of
measure differs from the unit of issue, the lowest unit of
issue that will satisfy the required units of measure will
h. Quantity Incorporated in Unit. Indicates the
quantity of the item used in the breakout shown on the
illustration figure, which is prepared for a functional
group, subfunctional group, or an assembly. A "V"
appearing in this