This manual lists spares and repair parts; special tools;
Cannibalization or salvage may be used as a
special test, measurement, and diagnostic equipment
source of supply for any items source coded
(TMDE), and other special support equipment required
above except those coded XA and aircraft
for performance of direct support and general support
support items as restricted by AR 700-42.
maintenance of the AN/FPN-40.
It authorizes the
(2) Maintenance code. Maintenance codes
requisitioning and issue of spares and repair parts as
are assigned to indicate the levels of maintenance
indicated by the source and maintenance codes.
authorized to USE and REPAIR support items. The
maintenance codes are entered in the third and fourth
This Repair Parts and Special Tools List is divided into
positions of the Uniform SMR Code format as follows:
the following sections:
(a) The maintenance code entered in
the third position will indicate the lowest maintenance
and repair parts authorized for use in the performance of
level authorized to remove, replace, and use the support
maintenance. The list also includes parts which must be
item. The maintenance code entered in the third position
removed for replacement of the authorized parts. Parts
will indicate one of the following levels of maintenance:
lists are composed of functional groups in numeric
sequence, with the parts in each group listed in figure
C -Crew or operator maintenance performed within
and item number sequence.
b. Section III. Special Tools List. Not applicable.
O --Support item is removed, replaced, used at the
Number Index. A list, in National item identification
F --Support item is removed, replaced, used at the
number (NIIN) sequence, of all National stock numbers
direct support level.
(NSN) appearing in the listings, followed by a list, in
H --Support item is removed, replaced, used at the
alphanumeric sequence, of all part numbers appearing in
general support level.
the listings. National stock numbers and part numbers
D --Support items that are removed, replaced, used at
are cross-referenced to each illustration figure and item
depot, mobile depot, specialized repair
Explanation of Columns
(b) The maintenance code entered in
a. Illustration. This column is divided as follows:
the fourth position indicates whether the item is to be
(1) Figure number.
Indicates the figure
repaired and identifies the lowest maintenance level with
number of the illustration on which the item is shown.
the capability to perform complete repair (i.e., all
(2) Item number. The number used to identify
authorized maintenance functions). This position will
item called out in the illustration.
contain one of the following maintenance codes:
b. Source, Maintenance, and Recoverability (SMR)
F -The lowest maintenance level capable of complete
(1) Source code. Source codes indicate the
repair of the support item is the direct
manner of acquiring support items for maintenance,
repair, or overhaul of end items. Source codes are
H -The lowest maintenance level capable of complete
entered in the first and second positions of the Uniform
repair of the support item is the general
SMR Code format as follows:
D -The lowest maintenance level capable of complete
PA -Item procured and stocked for anticipated or known
repair of the support item is the depot level.
Z -Nonreparable. No repair is authorized.
PD -Support item, excluding support equipment,
(3) Recoverability code. Recoverability codes
are assigned to support items to indicate the disposition
stocked only for subsequent or additional
action on unserviceable items. The recoverability code is
entered in the fifth position of the Uniform SMR Code
format as follows:
XD-A support item that is not stocked. When required,
item will be procured through normal supply
Z -Nonreparable item. When unserviceable, condemn
and dispose at the level indicated in position 3.