ORGANIZATIONAL, DIRECT AND GENERAL SUPPORT, AND
DEPOT MAINTENANCE REPAIR PARTS LIST
Section I. INTRODUCTION
ply. AR 310-1 defines the basic
numbers used to identify the mate-
a. This manual includes an organizational,
riel code. If the part is Signal
direct and general support, and depot mainte-
m a t e r i e l responsibility, the column
nance special tools list.
is left blank.
T h e organizational maintenance re-
(b) Column B. This column indicates
p a i r parts and special tools list lists
t h e point within the maintenance
t h e repair parts authorized for or-
system where the part is available.
ganizational maintenance and is a
" P " indicates that the repair part
b a s i s for requisitioning by organiza-
i s a high mortality part; produced
tions which are authorized the major
by technical services, stocked in and
item of equipment. End items of
supplied from the technical service
e q u i p m e n t s are issued on the basis
d e p o t system and authorized for
of allowances prescribed in equipment
u s e at indicated maintenance cate-
a u t h o r i z a t i o n tables and other docu-
gories. " P I " i n d i c a t e s t h a t t h e
ments that are a basis for requisition-
repair part is a low mortality part;
procured by technical services,
(2) Direct and general support and depot
s t o c k e d only in and supplied from
m a i n t e n a n c e repair parts and special
t e c h n i c a l service key d e p o t s , a n d
t o o l s list shows the quantities of re-
a u t h o r i z e d for installation at indi-
pair parts authorized for general sup-
cated maintenance categories.
p o r t maintenance and is a basis for
(c) Column C. This column indicates
r e q u i s i t i o n i n g authorized parts. It is
t h e lowest maintenance categories
also a guide for depot maintenance in
authorized to install the part.
e s t a b l i s h i n g initial levels of spare
( o p e r a t o r and organiza-
b. Columns are as follows:
(1) S o u r c e , m a i n t e n a n c e , a n d recover-
"H" - General support mainte-
ability code. Source, maintenance, and
recoverability codes indicate the tech-
(d) Column D. Not used.
n i c a l service responsible for supply,
(2) Federal stock number. This column
t h e maintenance category at which
lists the 1 l-digit Federal stock num-
an item is stocked, categories at
which an item is installed or re-
(3) Designation by model. Not used.
paired, and whether an item is repair-
able or salvageable. The source code
Nomenclature or the
column is divided into four parts.
s t a n d a r d item name and brief identi-
(a) Column A. This column indicates
fying data for each item are listed in
this column. When requisitioning, en-
t h e materiel code and designates
ter the nomenclature and description.
t h e area of responsibility for sup-