fourth positions of the Uniform SMR Code format as
may have a different part number than
the part being replaced.
(a) The maintenance code entered in the third
position will indicate the lowest maintenance level
e. Federal Supply Code for Manufacturer
authorized to remove, replace, and use the support item.
(FSCM). The FSCM is a 5-digit numeric code listed in SB
The maintenance code entered in the third position will
708-42 which is used to identify the manufacturer,
indicate one of the following levels of maintenance:
distributor, or Government agency, etc.
f. Description. Indicates the Federal item name
C ................ Code or operator maintenance per-
and, if required, a minimum description to identify the
formed within organizational
g. Unit of Measure (U/M). Indicates the standard of
O................ Support item is removed, replaced, used at
the basic quantity of the listed item as used in performing
................... the organizational level.
the actual maintenance function. This measure is
(b) The maintenance code entered in the fourth
expressed by a two-character alphabetical abbreviation
position indicates whether the item is to be repaired and
(e.g., ea., in, pr, etc). When the unit of measure differs
identifies the lowest maintenance level with the capability
from the unit of issue, the lowest unit of issue that will
to perform complete repair (i.e., all authorized
satisfy the required units of measure will be
maintenance functions). This position will contain one of
the following maintenance codes:
h. Quantity Furnished with Equipment (Basic
Issue Items Only). Not applicable.
F ................ The lowest maintenance level capable
i. Quantity Authorized (Items Troop Installed or
of complete repair of the support item is the
Authorized Only). Not applicable.
direct support level.
j. Quantity Incorporated in Unit. Indicates the
Z ................ Non repairable. No repair is authorized.
quantity of the item used in the breakout shown on the
(3) Recoverability Code. Recoverability codes are
illustration figure, which is prepared for a functional
assigned to support items to indicate the disposition
group, subfunctional group, or an assembly.
action on unserviceable items. The recoverability code is
entered in the fifth position of the Uniform SMR code
Action change codes indicated in the left-hand margin of
format as follows:
the listing page denote the following:
Indicates an added item
Indicates a change in data
Z ................ Nonreparable item. When un-
Indicates a change in NSN only
serviceable, condemn and dispose of the
How to Locate Repair Parts
level indicated in position 3.
a. When National Stock Number or Part Number is
H ............... Reparable item. When uneconomically
reparable, condemn and dispose of
(1) First. Using the table of contents, determine the
the general support level.
functional group within which the repair part belongs.
c. National Stock Number. Indicates the
This is necessary since illustrations are prepared for
Federal stock number assigned to the item and will
functional groups and listings are divided into the same
be used for requisitioning purposes.
d. Part Number. Indicates the primary number used
(2) Second. Find the illustration covering the
by the manufacturer (individual, company, firm,
functional group to which the repair part belongs.
corporation, or Government activity), which controls the
(3) Third. Identify the repair part on the illustration
design and characteristics of the item by means of its
and note the illustration figure and item number of the
engineering drawings, specifications, standards, and
inspection requirements, to identify an item or range of
(4) Fourth. Using the Repair Parts Listing, find the
figure and item number noted on the illustration.
b. When National Stock Number or Part Number is
When a stock numbered item is
requisitioned, the repair part received
(1) First. Using the Index of National Stock Number
and Part Numbers, find the pertinent National stock
number or part number. This index is in ascending NSN
sequence followed by a