name and, if required, a minimum description to
fourth position indicates whether the item is to
identify the item.
be repaired and identifies the lowest mainte-
nance level with the capability to perform com-
g. Unit of Measure (U/M). Indicates the stand-
plete repair (i.e., all authorized maintenance
ard of the basic quantity of the listed item as
functions). This position will contain one of the
used in performing the actual maintenance
following maintenance codes:
function. This measure is expressed by a two-
character alphabetical abbreviation (e.g., ea, in,
pr, etc). When the unit of measure differs from
H - The lowest maintenance level capable of
the unit of issue, the lowest unit of issue that
complete repair of the support item is the
will satisfy the required units of measure will be
general support level.
Z - Nonreparable. No repair is authorized.
(3) Recoverability code.
h. Quantity Incorporated in Unit. Indicates
codes are assigned to support items to indicate
the quantity of the item used in the breakout
the disposition action on unserviceable items.
shown on the illustration figure, which is pre-
The recoverability code is entered in the fifth
pared for a functional group, subfunctional
position of the Uniform SMR Code format as
group, or an assembly.
Z - Nonreparable item. When unserviceable,
4. Special Information
condemn and dispose at the level indicated
The following publication pertains to the
in position 3.
AN/URM145B and its components:
H - Reparable item. When uneconomically re-
parable, condemn and dispose at the gen-
eral support level.
D - Reparable item. When beyond lower level
repair capability, return to depot. Con-
demnation and disposal not authorized
below depot level.
5. How to Locate Repair Parts
a. When National stock number or part
c. National Stock Number. Indicates the Na-
number is unknown.
tional stock number assigned to the item and
will be used for requisitioning purposes.
(1) First. Using the table of contents, de-
t e r m i n e the functional group within which the
d. Part Number. I n d i c a t e s t h e p r i m a r y
item belongs. This is necessary since illustra-
number used by the manufacturer (individual,
tions are prepared for functional groups and
company, firm, corporation, or Government ac-
listings are divided into the same groups.
tivity), which controls the design and charac-
teristics of the item by means of its engineering
(2) S e c o n d . F i n d t h e i l l u s t r a t i o n c o v e r i n g
drawings, specifications, standards, and inspec-
the functional group to which the item belongs.
tion requirements to identify an item or range of
(3) Third. Identify the item on the illustra-
tion and note the illustration figure and item
number of the item.
(4) Fourth. Using the Repair Parts Listing,
When a stock numbered item is req-
find the figure and item number noted on the
uisitioned, the repair part received may
have a different part number than the
b. When National stock number or part
part being replaced.
number is known.
(1) First. Using the Index of National Stock
e. Federal Supply Code for Manufacturer
Numbers and Part Numbers, find the pertinent
(FSCM). The FSCM is a 5-digit numeric code
National stock number or part number. This
listed in SB 708-42 which is used to identify the
index is in NIIN sequence followed by a list of
m a n u f a c t u r e r , distributor, or Government
part numbers in alphameric sequence, cross-
referenced to the illustration figure number and
Indicates the Federal item