3. Explanation of Columns.
c. Description. Indicates the Federal item
The following provides an explanation of
name and any additional description of the item
columns in the tabular list in Section II.
required. Further information to clarify item
a. Source, Maintenance and Recoverability
relationship, item replacement, multiple appli-
Codes (SMR).
cation and material required for fabrication is
(1) Source code indicates the selection
also identified. The make from (MAKEFR)
status and source for the listed item.
items appear in group 06, listed in ascending
Source codes used are--
numerical Federal stock number sequence.
(1) Reference Number. A reference num-
Explanation
Code
ber and manufacturers code subcol-
Applies to repair parts which are stocked in
P
umn indicates the manufacturers'
or supplied from General Services Adminis-
reference number or identification
tration/Defense Supply Agency or Army
Supply System and are authorized for use
number followed by the applicable
at indicated maintenance categories.
five-digit Federal supply code for
manufacturers in parentheses.
Applies to repair parts which are not pro-
M
cured or stocked, but are to be manufac-
(2) Models Usable On Code column is not
tured at indicated maintenance categories.
applicable to this manual.
d. Unit of Issue (U/I). A 2-character al-
Applies to repair parts which are not
X2
stocked. The indicated maintenance cate-
phabetic abbreviation indicating the amount or
gory requiring such repair parts will
quantity in which the item is used, e.g., FT,
attempt to obtain through cannibalization;
EA, PR, etc.
if not obtainable through cannibalization,
e. Quantity Incorporated in Unit. Indicates
such repair parts will be requisitioned
the quantity of the item used in the functional
with supporting justification through nor-
mal channels.
group. A "V" appearing in this column in lieu
of a quantity indicates that a definite quantity
(2) Maintenance code indicates the lowest
cannot be indicated (e.g., shims, spacers, etc).
category of maintenance authorized
When attaching parts are shown as attaching
to install the listed item. Parts which
two or more items, the quantities of the attach-
require manufacturer or assembly will
ing parts are those necessary to attach only one
be indicated in the source code column
of the items.
the category which will make or as-
f. 30-Day DS Maintenance Allowance.
semble the item (i.e., AF, MF). The
(1) The allowance column is divided into
maintenance used is
three subcolumns. Indicated in each
Explanation
Code
subcolumn, opposite the first appear-
F
Direct support
ance of each item is the total quantity
(3) Recoverability Code. Indicates wheth-
of items authorized for the number of
er unserviceable items should be re-
equipments supported. Subsequent ap-
turned for recovery or salvage. Items
pearances of the same item will have
not coded are expendable. The recov-
the letters "REF" in the allowance
erability code used is-
column. Items authorized for use as
required, but not for initial stockage
Code
Explanation
are identified with an asterisk (*) in
R
Applies to repair parts and assemblies
the allowance column.
which are economically repairable at
DSU/GSU activities and normally are fur-
(2) The quantitative allowance for DS
nished by supply on an exchange basis.
level of maintenance will represent
b. Federal Stock Number. Indicates the Fed-
initial stockage for a 30-day period
eral stock number assigned to the item and
for the number of equipments sup-
will be used for requisitioning purposes. An
ported.
item in one of the following categories will not
(3) Determination of the total quantity
be published with a Federal stock number. Item
of parts required for the maintenance
source coded A, M or XI.
of more than 100 of these equipments
ii
