g. Unit of Measure (U/M). Indicates the stan-
This position will contain one of the following
dard of the basic quantity of the listed item as
used in performing the actual maintenance func-
tion. This measure is expressed by a two-char-
acter alphabetical abbreviation (e. g., ea, in., pr,
The lowest maintenance level capa-
etc.). When the unit of measure differs from the
ble of complete repair of the sup-
unit of issue, the lowest unit of issue that will sat-
port item is the depot level.
isfy the required units of measure will be requisi-
h. Quantity Incorporated in Unit. Indicates
the quantity of the item used in the breakout
shown on the illustration figure, which is prepared
(3) Recoverability Code. Recoverability
for a functional group, subfunctional group, or an
codes are assigned to support items to indicate
assembly. A "V" appearing in this column in lieu
the disposition action on unserviceable items. The
of a quantity indicates that no specific quantity is
recoverability code is entered in the fifth position
applicable (e.g., shims, spacers, etc.).
of the Uniform SMR Code format as follows:
C-4. Special Information.
Usable on codes are shown in the description
column. Uncoded items are applicable to all mod-
Nonreparable item. When un-
els. Identification of the usable on codes used in
serviceable, condemn and dispose
this appendix are:
at the level indicated in position 3.
Reparable item. When beyond lower
level repair capability, return to de-
pot. Condemnation and disposal not
authorized below depot level.
C-5. How to Locate Repair Parts.
c. National Stock Number. Indicates the Na-
a. W h e n National Stock Number or Part
tional stock number assigned to the item and will
Number is Unknown:
be used for requisitioning purposes.
(1) First. Find the illustration covering
d. Part Number. Indicates the primary numb-
the assembly to which the repair part belongs.
er used by the manufacturer (individual, company,
(2) Second. Identify the repair part on
firm, corporation, or Government activity), which
the illustration and note the illustration figure and
controls the design and characteristics of the item
item number of the repair part.
by means of its engineering drawings, spec-
ifications standards and inspection requirements,
(3) Third. Using the Repair Parts Listing,
to identify an item or range of items.
find the figure and item number noted on the il-
b. W h e n National Stock Number or Part
When a stock numbered item is requisi-
Number is Known.
tioned, the repair part received may
have a different part number than the
(1) First. Using the Index of National
part being replaced.
Stock Numbers and Part Numbers, find the perti-
nent National stock number or part number. This
Code for Manufacturer
index is in ascending NSN sequence followed by
(FSCM). The FSCM is a
5-digit numeric code list-
a list of part numbers in ascending alphanumeric
ed in SB 708-42 which
is used to identify the
sequence, cross-referenced to the illustration fig-
or Government agency,
ure number and item number.
(2) Second. After finding the figure and
f. Description. Indicates the Federal item
item number, locate the figure and item number in
name and, if required, a minimum description to
the repair parts list.
identify the item.
C-6. Abbreviations. (Not applicable.)