TM 55-4920-404-30&P
e. Federal Supply Code for Manufacturer
Application/Explanation
Code
(FSCM). The FSCM is a 5-digit numeric code
- - - Support item is removed, replaced,
o
listed in SB 708-42 which is used to identify the
used at the Aviation Unit Mainte-
manufacturer, distributor, or Government agen-
nance level.
cy, etc.
- - - Support item is removed, replaced,
F
f. Description. Indicates the Federal item
used at the Aviation Intermediate
name and, if required, a minimum description to
Maintenance level.
identify the item.
g. Unit of Measure (U/M). Indicates the
standard of the basic quantity of the listed item
(b) The maintenance code entered
as used in performing the actual maintenance
in the fourth position indicates whether the item
function. This measure is expressed by a two-
is to be repaired and identifies the lowest main-
character alphabetical abbreviation (e.g., ea, in.,
tenance level with the capability to perform
pr, etc.). When the unit of measure differs from
complete repair (i.e., all authorized maintenance
the unit of issue, the lowest unit of issue that
functions). This position will contain the follow-
will satisfy the required units of measure will be
ing maintenance codes:
requisitioned.
Application/Explanation
Code
h. Quantity Incorporated in Unit. Indicates
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z
Nonreparable. No repair is
the quantity of the item used in the breakout
authorized.
shown on the illustration figure, which is pre-
pared for a functional group, subfunctional
group, or an assembly. A "V" appearing in this
(3) Recoverability Code. Recoverability
column in lieu of a quantity indicates that no
codes are assigned to support items to indicate
specific quantity is applicable (e.g., shims, spat.
the disposition action on unserviceable items.
era, etc.),
The recoverability code is entered in the fifth
C-4. Special Information. Not applicable.
position of the Uniform SMR Code format as
follows:
C-5. How to Locate Repair Parts.
a. When National Stock Number or Part
code
Definition
Number is Unknown:
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z
Nonreparable item. When un-
(1) First. Find the illustration covering
serviceable, condemn and dispose
the assembly to which the item belongs.
at the level indicated in position 3.
(2) Second. Identify the item on the il-
lustration and note the illustration figure and
item number of the item.
c. National Stock Number. Indicates the
National stock number assigned to the item and
(3) Third. Using the Repair Parts List-
which will be used for requisitioning purposes.
ing, find the figure and item number noted on
the illustration.
d. Part Number. Indicates the primary
number used by the manufacturer (individual,
b. When National Stock Number or Part
company, firm corporation, or Government ac-
Number is known.
tivity), which controls the design and character-
(1) First. Using the Index of National
istics of the item by means of its engineering
Stock Numbers and Part Numbers, find the per-
drawings, specifications standards and in-
tinent National stock number or part number.
spection requirements, to identify an item or
This index is in ascending NIIN sequence fol-
range of items.
lowed by a list of part numbers in alphameric
NOTE
sequence, cross-referenced to the illustration fig-
ure number and item number.
When a stock numbered item is requi-
sitioned, the item received may have a
(2) Second. After finding the figure and
different part number than the part
item number, locate the figure and item number
being replaced.
in the repair parts list.
C-6. Abbreviations. Not applicable.
C-2
