TM 11 820-554-24P-1
(2) Maintenance code. Maintenance codes are
assigned to indicate the levels of maintenance authorized
This manual lists spares and repair parts; special tools;
to USE and REPAIR support items. The maintenance
special test, measurement, and diagnostic equipment
codes are entered in the third and fourth positions of the
(TMDE), and other special support equipment required for
Uniform SMR Code format as follows:
performance of organizational, direct support, and general
(a) The maintenance code entered in the third
support maintenance of the AM-3979/FRC-93.
position will indicate the lowest maintenance level
authorizes the requisitioning and issue of spares and repair
authorized to remove, replace, and use the support item.
parts as indicated by the source and maintenance codes.
The maintenance code entered in the third position will
indicate one of the following levels of maintenance:
This Repair Parts and Special Tools List is divided into the
OSupport item is removed, replaced, used at the
repair parts authorized for use in the performance of
FSupport item is removed, replaced, used at the direct
maintenance. The list also includes parts which must be
removed for replacement of the authorized parts. Parts
(b) The maintenance code entered in the fourth
lists are composed of functional groups in numeric
position indicates whether the item is to be repaired and
sequence, with the parts in each group listed in figure and
identifies the lowest maintenance level with the capability
item number sequence.
to perform complete repair (i.e., all authorized
b. Section III. Special Tools List. Not applicable.
maintenance functions). This position will contain one of
the following maintenance codes:
Number Index. A list, in National item identification
number (NIIN) sequence, of all National stock numbers
ZNonrepairable. No repair is authorized.
(NSN) appearing in the listings, followed by a list, in
(3) Recoverability code. Recoverability codes are
alphameric sequence, of all part numbers appearing in the
assigned to support items to indicate the disposition action
listings. National stock numbers and part numbers are
on unserviceable items. The recoverability code is entered
cross-referenced to each illustration figure and item
in the fifth position of the Uniform SMR Code format as
Explanation of Columns
a. Illustration. This column is divided as follows:
(1) Figure number. Indicates the figure number
Z Nonrepairable item. When unserviceable, condemn
of the illustration on which the item is shown.
and dispose at the level indicated in position 3.
(2) Item number. The number used to identify
c. National Stock Number. Indicates the National
item called out in the illustration.
stock number assigned to the item and will be used for
b. Source, Maintenance, and Recoverability (SMR)
d Part Number. Indicates the primary number used
(1) Source code. Source codes indicate the
by the manufacturer (individual, company, firm, corpora-
manner of acquiring support items for maintenance,
tion, or Government activity), which controls the design
repair, or overhaul of end items. Source codes are entered
and characteristics of the item by means of its engineering
in the first and second positions of the Uniform SMR Code
drawings, specifications, standards, and inspection re-
format as follows:
quirements to identify an item or range of items.
PAItem procured and stocked for anticipated or known
When a stock numbered item is requisitioned,
the repair part received may have a different
XDA support item that is not stocked. When required,
part number than the part being replaced.
item will be procured through normal supply
e. Federal Supply Code for Manufacturer (FSCM).
The FSCM is a 5-digit numeric code listed in SB 708-42
which is used to identify the manufacturer, distributor, or
Cannibalization or salvage may be used as a
Government agency, etc.
source of supply for any items source coded
f. Description. Indicates the Federal item name and,
above except those coded XA and aircraft
support items as restricted by AR 700-42.