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![]() INTRODUCTION
NOTE
1. Scope
Cannibalization or salvage may be used as
This manual lists spares and repair parts; special
a source of supply for any items source
tools; special test, measurement, and diagnostic
coded above except those coded XA and
equipment (TMDE), and other special support
aircraft support items as restricted by AR
equipment required for performance of organiza-
700-42.
tional and direct support maintenance of the RL-31,
RL-31B, RL-31C, RL-31D, and RL-31E. It authorizes
(2) Maintenance code. Maintenance codes are
the requisitioning and issue of spares and repair
assigned to indicate the levels of maintenance au-
parts as indicated by the source and maintenance
thorized to USE and REPAIR support items. The
codes.
maintenance codes are entered in the third and
fourth positions of the Uniform SMR Code format
as follows:
2. General
(a) The maintenance code entered in the
This Repair Parts and Special Tools List is divided
third position will indicate the lowest maintenance
into the following sections:
level authorized to remove, replace, and use the
support item. The maintenance code entered in
and repair parts authorized for use in the perform-
the third position will indicate one of the follow-
ance of maintenance. The list also includes parts
ing levels of maintenance:
which must be removed for replacement of the
Application/Explanation
Code
authorized parts. Parts lists are composed of func-
O--Support item is removed, replaced, used at the
tional groups in numeric sequence, with the parts
organizational level.
in each group listed in figure and item number
F-Support. item is removed, replaced, used at the
sequence.
direct support level.
b. Section III. Special Tools List. Not applicable.
(b) The maintenance code entered in the
c. Section IV. National Stock Number and Part
fourth position indicates whether the item is to be
Number Index. A list, in National item identification
repaired and identifies the lowest maintenance level
number (NUN) sequence, of all National stock
with the capability to perform complete repair (i.e.,
numbers (NSN) appearing in the listings, followed
all authorized maintenance functions). This posi-
by a list, in alphameric sequence, of all part num-
tion will contain the following maintenance code:
bers appearing in the listings. National stock num-
bers and part numbers are cross-referenced to each
Code
Application/Ezplanation
illustration figure and item number apeparance.
Z-Nonreparable. No repair is authorized.
(3) Recoverability code. Recoverability codes
3. Explanation of Columns
are assigned to support items to indicate the dis-
a. Illustration. This column is divided as follows:
position action on unserviceable items. The recover-
ability code is entered in the fifth position of the
(1) Figure number. Indicates the figure num-
Uniform SMR Code format as follows:
ber of the illustration on which the item is shown.
Recoverability
(2) Item number. The number used to identify
codes
Definition
item called out in the illustration.
Z-Nonreparable item. When unserviceable, con-
b. S o u r c e, Maintenance, and Recoverability
demn and dispose at the level indicated in
(SMR) Codes.
position 3.
(1) Source code. Source codes indicate the
c. National Stock Number. Indicates the National
manner of acquiring support items for maintenance,
stock number assigned to the item and will be used
repair, or overhaul of end items. Source codes are
for requisitioning purposes.
entered in the first and second positions of the
d. Part Number. Indicates the primary number
Uniform SMR Code format as follows:
used by the manufacturer (individual, company,
Code
Definition
firm, corporation, or Government activity), which
PA--Item procured and stocked for anticipated or
controls the design and characteristics of the ltem
known usage.
by means of its engineering drawings, specifications,
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