measure i s expressed b y a t w o - c h a r a c t e r
(3) Recoverability code. Recoverability codes
alphabetical abbreviation (e.g., ea, in, pr, etc). When
are assigned to support items to indicate the
the unit of measure differs from the unit of issue, the
disposition action on unserviceable items. The
lowest unit of issue that will satisfy the required
recoverability code is entered in the fifth position of
units of measure will be requisitioned.
the Uniform SMR Code format as follows:
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
f u n c t i o n a l group, subfunctional group, or an
ZNonreparable item. When unserviceable, con-
demn and dispose at the level indicated in
4. Special Information
F R e p a r a b l e i t e m . W h e n uneconomically
reparable, condemn and dispose at the direct
a Usable on codes are shown in the description
column. Uncoded items are applicable to all models.
H R e p a r a b l e i t e m . W h e n uneconomically
Identification of the usable on codes used in this
reparable, condemn and dispose at the general
DReparable item. When beyond lower level repair
capability, return to depot. Condemnation
and disposal not authorized below depot level.
LReparable item. Repair, condemnation, and
disposal not authorized below depot/
specialized repair activity level.
b. The following publications pertain to the
A--Item requires special handling or condemnation
AN/ARC-51X and AN/ARC-51BX and their
procedures because of specific reasons (i.e.,
precious metal content, high dollar value,
critical material or hazardous material). Refer
TM 11-5820-518-20, Radio Set AN/ARC-51X and
to appropriate manuals/directives for specific
c. National Stock Number. Indicates the National
stock number assigned to the item and will be used
for requisitioning purposes.
d. Federal Supply Code for Manufacturer (FSCM).
5. How to Locate Repair Parts
The FSCM is a 5-digit numeric code listed in SB
708-41/42 which is used to identify the manufa~
a When National stock number or part number is
turer, distributor, or Government agency, etc.
e. Part Number. indicates the primary number
(1) First. Using the table of contents, determine
used by the manufacturer (individual, company,
the functional group within which the item belongs.
firm, corporation, or Government activity), which
This is necessary since illustrations are prepared for
functional groups and listings are divided into the
controls the design and characteristics of the item
b y m e a n s o f i t s e n g i n e e r i n g drawings,
(2) Second Find the illustration covering the
requirements to identify an item or range of items.
functional group to which the item belongs.
(3) Third Identify the item on the illustration
and note the illustration figure and item number of
When a stock numbered item is
requisitioned, the repair part received
(4) Fourth Using the Repair Parts Listing, find
may have a different part number than
the figure and item number noted on the
the part being replaced.
f Description. indicates the Federal item name
b. When National stock number or part number is
and, if required, a minimum description to identify
(1) First. Using the Index of National Stock
g. Unit of Measure (U/M). indicates the standard
Numbers and Part Numbers, find the pertinent
of the basic quantity of the listed item as used in
National stock number or part number. This index
performing the actual maintenance function. This