The failure of such part or assembly should
U - Repair parts specifically selected for salvage by
result in retirement of the end items from the
reclamation units because of precious metal
content, critical materials, or high dollar value
X1 - Repair parts which are not procured or stocked.
reusable casings or castings.
The requirement for such items will be filled by
b. Federal Stock Number, Column 2. This column
use of the next higher assembly or component.
X2 - Repair parts which are not stocked. The indicated
indicates the Federal stock number assigned to the item
maintenance category requiring such repair
and will be used for requisitioning purposes.
c. Description, Column 3. This column indicates
parts will attempt to obtain same through
cannibalization. Where such repair parts are
the Federal item name and any additional description of
obtainable through cannibalization,
the item required. A part number or other reference
will be requisitioned, with
number is followed by the applicable five-digit Federal
supply code for manufacturers in parentheses.
d. Unit of Measure (U/M), Column 4. A two
G - Major assemblies that are procured with PEMA
character alphabetic abbreviation indicating the amount
for initial issue only as exchange
or quantity of the item upon which the allowances are
assemblies at DSU and GSU level. These
based, e.g., ft, ea, pr, etc.
e. Quantity Incorporated in Unit, Column 5. This
assemblies will not be stocked above DS and
GS level or returned to depot supply level.
column indicates the quantity of the item used in the
(2) Maintenance code indicates the lowest category
assembly group. Subsequent appearances of the same
of maintenance authorized to install the listed item. The
item in the same assembly are indicated by the letters
maintenance level codes are:
f. Allowances30-Day DS/GS Maintenance, 1 Year
Per Equipment (Contingency), and Depot Maintenance),
O --------Organizational maintenance
Columns 6, 7, 8 and 9. Items authorized for requisition
F --------Direct support maintenance
H --------General support maintenance
as required are identified by an asterisk in the allowance
D --------Depot maintenance
g. Illustrations, Column 10. This column is divided
unserviceable items should be returned for recovery or
Items not coded are expendable.
(1) Figure number, column 10a. Indicates the
Recoverability codes are:
figure number of the illustration in which the item is
(2) Item number or reference designation, column
R - Repair parts and assemblies that are economically
lob. Indicates the reference designation used to identify
repairable at DSU and GSU activities and are
the item in the illustration.
B-4. Location of Repair Parts
normally furnished by supply on an exchange
a. This appendix contains two cross-reference
S - Repair parts and assemblies which are economically
indexes (sec IV and V) to be used to locate a repair part
repairable at DSU and GSU activities and which
when either the Federal stock number, reference
normally are furnished by supply on an
number (manufacturer's part number), or reference
exchange basis. When items are determined by
designation is known. The first column in each index is
GSU to be uneconomically repairable, they will
prepared in numerical or alphanumeric sequence in
be evacuated to a depot for evaluation and
ascending order. Where a Federal stock number is not
analysis before final disposition.
listed, refer to the reference number (manufacturer's
T - High dollar value recoverable repair parts which are
part number) immediately following the last listed
subject to special handling and are issued on an
Federal stock number.
exchange basis. Such repair parts normally are
b. When the Federal stock number or reference
repaired or overhauled at depot maintenance
number is known, follow the procedure
Change 2 B-2