4. Special Information
a. Usable on codes are shown in the description
Z-- Nonreparable item. When unserviceable, condemn
column. Uncoded items are applicable to all models.
and dispose at the level indicated in position 3.
Identification of the usable on codes used in this publi-
O Reparable item. When uneconomically reparable,
condemn and dispose at organizational level.
H Reparable item. When uneconomically reparable,
condemn and dispose at the general support
b. The following publication pertains to the
c. Nationul Stock Number. Indicates the National
MK-980/PPS-5 and MK-980A/PPS-5 and its compo-
stock number assigned to the item and will be used for
TM 11-6625-1683-15, Test Facilities Kits MK-
d. Part Number. Indicates the primary number used
980/PPS-5 and MD-980A/PPS-5
by the manufacturer (individual, company, firm, cor-
poration, or Government activity), which controls the
5. How to Locate Repair Parts
design and characteristics of the item by means of its
a. When National stock number or part number is
engineering drawings, specifications, standards, and
inspection requirements to identify an item or range
(1) First. Using the table of contents, determine
the functional group within which the item belongs.
This is necessary since illustrations are prepared for
When a stock numbered item is requisi-
functional groups and listings are divided into the
tioned, the repair part received may have a
different part number than the part being re-
(2) Second. Find the illustration covering the
functional group to which the item belongs.
e. Federal Supply Code for Manufacturer (FSCM).
(3) Third. Identify the item on the illustration and
The FSCM is a 5-digit numeric code listed in SB
note the illustration figure and item number of the
708-42 which is used to identify the manufacturer,
distributor, or Government agency, etc.
(4) Fourth, Using the Repair Parts Listing, find
f. Description, Indicates the Federal item name and,
the figure and item number noted on the illustration.
if required, a minimum description to identify the
b. When National stock number or part number is
g. Unit of Measure (U/M). Indicates the standard of
(1) First. Using the Index of National Stock Num-
the basic quantity of the listed item as used in per-
bers and Part Numbers, find the pertinent National
forming the actual maintenance function, This meas-
stock number or part number. This index is in NIIN se-
ure is expressed by a two-character alphabetical abbre-
quence followed by a list of part numbers in alpha-
viation (e.g., ea, in, pr, etc). When the unit of measure
meric sequence, cross-referenced to the illustration
differs from the unit of issue, the lowest unit of issue
figure number and item number.
that will satisfy the required units of measure will be
(2) Second. After finding the figure and item
number, locate the figure and item number in the re-
h. Quantity Incorporated in Unit. Indicates the
pair parts list.
quantity of the item used in the breakout shown on the
illustration figure, which is prepared for a functional
group, subfunctional group, or an assembly.
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