REPAIR PARTS AND SPECIAL TOOL LISTS
Section I. INTRODUCTION
If the part is Signal materiel re-
A4-1. General
sponsibility, the column is left
a. This appendix includes organizational, di-
blank.
rect and general support and depot mainte-
(b) Column B. This column indicates the
nance special tool lists.
point within the maintenance sys-
(1) The organizational maintenance repair
tem where the part is available.
parts and special tool lists list the
"P" indicates that the repair part
quantities of repair parts authorized
is a high mortality part; procured
for organizational maintenance and is
by technical services, stocked in
a basis for requisitioning by organi-
and supplied from the technical
zations which are authorized the
service depot system and author-
major item of equipment. End items
ized for use at indicated mainte-
of equipment are issued on the basis
nance categories.
of allowances prescribed in equipment
(c) Column C. This column indicates the
authorization tables and other docu-
lowest maintenance category au-
ments that are a basis for requisi-
thorized to install the part.
tioning,
"O''-Organizational maintenance
( 2 ) Direct and general support and depot
(operator and organizational).
maintenance repair parts and special
"F''-Direct support maintenance,
tool lists list the quantities of repair
parts authorized for direct and gener-
(d) Column D. Not used.
al support maintenance and is a
(2) Federal stock number. This column
basis for requisitioning authorized
lists the n-digit Federal stock num-
parts. It is a guide for depot main-
ber.
tenance in establishing initial leveis
(3) Designation by model.
The dagger
of spare parts.
(†) indicates model in which the
b. Columns are as follows:
part is used.
(1) Source, maintenance, and recoverabil-
(4) Description.
Nomenclature or the
ity code. Source, maintenance, and re-
standard item name and brief iden-
coverability codes indicate the techni-
tifying data for each item are listed
cal service responsible for supply, the
in this column. When requisitioning,
maintenance categories at which an
enter the nomenclature and descrip-
item is stocked, categories at which an
tion.
item is installed or repaired, and
(5) Unit of issue. The unit of issue is
whether an item is repairable or sal-
each unless otherwise indicated and
vageable. The source code column is
is the supply term by which the in-
divided into four parts.
dividual item is counted for procure-
ment, storage, requisitioning, allow-
(a) Column A.
This column indicates
ances, and issue purposes.
the materiel code and designates the
area of responsibility for supply.
(6) Expendability Nonexpendable items
AR 310-1 defines the basic numbers
are indicated by NX. Expendable
used to identify the materiel code.
items are not annotated.