INTRODUCTION
pair parts authorized for initial stock-
age for use in the third echelon main-
a. This manual lists the quantities of repair
tenance and in supply support to sec-
parts for third and fourth echelon field mainte-
ond echelon. Quantities are based on
nance and is a basis for requisitioning author-
100 equipments to be maintained for
ized parts. It is also a guide for fifth echelon in
a 15-day period.
establishing initial levels of spare parts.
(9) Field (fourth echelon). The numbers
b. The columns are defined as follows:
in this column indicate quantities of
(1) Source, maintenance, and recover-
repair part authorized for initial
ability code. The source code column
stockage for use in fourth echelon
is divided into four parts. Symbols
maintenance. T h e quantities are
are used in column C only; they indi-
based on 100 equipments to be main-
cate the lowest maintenance echelon
tained for a 15-day period.
authorized to install the part. Symbols
(10) Depot (fifth echelon). The numbers
used indicate the following:
in this column indicate quantities of
O--Organizational maintenance
repair parts authorized for depot
(1st and 2d echelon).
maintenance and for initial stockage
F--Field maintenance (3d eche-
for maintenance, and for supply sup-
lon).
support to lower echelons. The entries
H--Field maintenance (4th eche-
are based on the quantity required for
lon).
rebuild of 100 equipments.
(2) Federal stock number. The stock
(11) Illustrations. The "Item No." col-
number column lists the 11-digit Fed-
eral stock number.
that appear on the part in the equip-
(3) Designation by model. A dagger
ment. These designations are also
indicates the model in which the part
used on any illustrations of the equip-
is used.
ment.
(4) Description. Nomenclature or the
standard item name and brief identi-
2. Maintenance by
Using Organizations
fying data for each item are listed in
When this equipment is used by signal serv-
this column. When requisitioning,
ice organizations organic to the theater head-
enter the nomenclature and descrip-
quarters or communication zones to provide
tion on the requisition.
(5) Unit of issue. The unit of issue is the
thorized up to and including fourth echelon are
supply term applied to the smallest
authorized for stockage by the organization op-
quantity by which the individual item
erating this equipment.
is counted for procurement, storage,
requisiitoning, allowances, and issue
3. Additional Repair Parts
Additional items not expected to fail during
purposes.
(6) Expendability. Expendable items are
the first year, but which may be required to
indicated by the letter X; nonexpend-
perform authorized field maintenance in subse-
quent years are identified by an asterisk and
able items are indicated by NX.
(7) Quantity incorporated in unit. This
are to be requisitioned as required for immedi-
ate use only. Refer to AR 700-18.
column lists the quantity of each par-
ticular part found in a given assembly,
component, or equipment.
A zero slash
appears by items that are
(8) Field (third echelon). The numbers in
expected to fail during the first year. This sym-
2