above except those coded XA and aircraft
support items as restricted by AR 700-42.
This manual lists spares and repair parts; special tools;
(2) Maintenance code. Maintenance codes are
special test, measurement, and diagnostic equipment
assigned to indicate the levels of maintenance author-
(TMDE), and other special support equipment required
ized to USE and REPAIR support items. The mainte-
for performance of organizational, direct support, and
nance codes are entered in the third and fourth positions
general support maintenance of the PP-3940/G. It
of the Uniform SMR Code format as follows:
authorizes the requisitioning and issue of spares and
(a) The maintenance code entered in the third
repair parts as indicated by the source and maintenance
position will indicate the lowest maintenance level
authorized to remove, replace, and use the support
tion will indicate one of the following levels of
This Repair Parts and Special Tools List is divided into
the following sections:
O Support item is removed, replaced, used at the
repair parts authorized for use in the performance of
maintenance. The list also includes parts which must be
H - Support item is removed, replaced, used at the
removed for replacement of the authorized parts. Parts
general support level.
lists are composed of functional groups in numeric se-
quence, with the parts in each group listed in figure and
position indicates whether the item is to be repaired and
item number sequence.
i d e n t i f i e s the lowest maintenance level with the
b. Section III. Special Tools List. Not applicable.
capability to perform complete repair (i.e., all author-
ized maintenance functions). This position will contain
Number Index. A list, in National item identification
one of the following maintenance codes:
number (NIIN) sequence, of all National stock numbers
(NSN) appearing in the listings, followed by a list, in
Nonreparable. No repair is authorized.
alphameric sequence, of all part numbers appearing in
(3) Recoverability code. Recoverability codes are
the listings. National stock numbers and part numbers
assigned to support items to indicate the disposition ac-
are cross-referenced to each illustration figure and item
tion 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
Z -- Nonreparabie item. When unserviceable.
the illustration on which the item is shown.
condemn and dispose at the level indicated
(2) Item number. The number used to identify
in position 3.
item called out in the illustration.
c. National Stock Number. Indicates the National
b. Source, Maintenance, and Recoverability (SMR)
stock number assigned to the item and will be used for
(1) Source code. Source codes indicate the manner
d. Part Number. Indicates the primary number used
of acquiring suppport items for maintenance, repair, or
b y the manufacturer (individual, company, firm.
overhaul of end items. Source codes are entered in the
corporation, or Government activity), which controls
first and second positions of the Uniform SMR Code for-
the design and characteristics of the item by means of
mat as follows:
its engineering drawings, specifications, standards, and
inspection requirements to identify an item or range of
P A Item procured and stocked for anticipated or
X D A support item that is not stocked. When
When a stock numbered item is requisi-
required, item will be procured through
tioned, the repair part received may have a
normal supply channels.
different part number than the part being
e. Federal Supply Code for Manufacturer
Cannibalization or salvage maybe used as a
(FSCM). The FSCM is a 5-digit numeric code listed in
source of supply for any items source coded