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Special Information - TM-11-5820-498-20P0006


SECTION I
INTRODUCTION
(2) Maintenance code. Maintenance codes are
1. Scope
assigned to indicate the levels of maintenance author-
This manual lists spares and repair parts; special tools;
ized to USE and REPAIR support items. The
special test, measurement, and diagnostic equipment
maintenance codes are entered in the third and fourth
(TMDE), and other special support equipment required
positions of the Uniform SMR Code format as follows:
for performance of organizational maintenance of the
(a) The maintenance code entered in the third
OA-3633/GRC and OA-3633A/GRC. It authorizes the
position will indicate the lowest maintenance level
requisitioning and issue of spares and repair parts as in-
authorized to remove, replace, and use the support
dicated by the source and maintenance codes.
item. The maintenance code entered in the third
position will indicate one of the following levels of
2. General
maintenance:
This Repair Parts and Special Tools List is divided into
Code
Application/Explanation
the following sections:
O-- Support item is removed, replaced, used at the
a. Section II. Repair Parts List. A list of spares and
organizational level.
repair parts authorized for use in the performance of
(b) The maintenance code entered in the fourth
maintenance. The list also includes parts which must be
position indicates whether the item is to be repaired and
removed for replacement of the authorized parts. Parts
identifies the lowest maintenance level with the
lists are composed of functional groups in numeric
capability to perform complete repair (i.e., all author-
sequence, with the parts in each group listed in figure
ized maintenance functions). This position will contain
and item number sequence.
one of the following maintenance codes:
b. Section III. Special Tools List. Not applicable.
c. Section IV. National Stock Number and Part
Code
Application/Explanation
Number Index. A list, in National item identification
D-- The lowest maintenance level capable of com-
number (NIIN) sequence, of all National stock numbers
plete repair of the support item is the depot
(NSN) appearing in the listings, followed by a list, in
level.
alphameric sequence, of all part numbers appearing in
Z-- Nonreparable. No repair is authorized.
the listings. National stock numbers and part numbers
(3) Recoverability code. Recoverability codes are
are cross-referenced to each illustration figure and item
assigned to support items to indicate the disposition
number appearance.
action on unserviceable items. The recoverability code is
entered in the fifth position of the Uniform SMR Code
3. Explanation of Columns
format as follows:
a. Illustration. This column is divided as follows:
(1) Figure number. Indicates the figure number of
Recoverability
codes
Definition
the illustration on which the item is shown.
Z--
Nonreparable item. When unserviceable,
(2) Item number. The number used to identify
condemn and dispose at the level in-
item called out in the illustration.
dicated in position 3.
b. Source, Maintenance, and Recoverability (SMR)
D--
Reparable item. When beyond lower level
Codes.
repair capability, return to depot. Con-
(1) Source code. Source codes indictitate the man-
demnation and disposal not authorized
ner of acquiring support items for maintenance, repair,
below depot level.
or overhaul of end items. Source codes are entered in
c. National Stock Number. Indicates the National
the first and second positions of the Uniform SMR
stock number assigned to the item and will be used for
Code format as follows:
requisitioning purposes.
d. Federal Supply Code for Manufacturer (FSCM).
Definition
Code
The FSCM is a 5-digit numeric code listed in SB
PA-- item procured and stocked for anticipated or
708-41/42 which is used to identify the manufacturer,
known usage.
distributor, or Government agency, etc.
XD-- A support item that is not stocked. When
e. Part Number. Indicates the primary number used
required, item will be procured through
by the manufacturer (individual, company, firm, cor-
normal supply channels.
poration, or Government activity), which controls the
NOTE
design and characteristics of the item by means of its
Cannibalization or salvage may be used as a
engineering drawings, specifications, standards, and in-
source of supply for any items source coded
spection requirements to identify an item or range of
above except those coded XA and aircraft
items.
support items as restricted by AR 70(-42.
1


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