and aircraft support items as restricted by
This manual lists repair parts and special tools
(2) Maintenance code. Maintenance codes are
required for performance of organizational mainte-
assigned to indicate the levels of maintenance
nance of the AN/ARM-63.
authorized to USE and REPAIR support items. The
maintenance codes are entered in the third and
fourth positions of the Uniform SMR Code format as
This Repair Parts and Special Tools List is divided
into the following sections:
(a) The maintenance code entered in the third
a. Section II. Repair Parts List. A list of repair
position will indicate the lowest maintenance level
parts authorized for use in the performance of
authorized to remove, replace, and use the support
maintenance. The list also includes parts which must
item. The maintenance code entered in the third
be removed for replacement of the authorized parts.
position will indicate one of the following levels of
Parts lists are composed of functional groups in
ascending numerical sequence, with the parts in
each group listed in figure and item number
Support item is removed, replaced, used at
the organizational 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 ascending National item
repaired and identifies the lowest maintenance level
identification number (NIIN, last 9 digits) sequence,
with the capability to perform complete repair (i.e.,
of all National stock numbers appearing in the
all authorized maintenance functions). This position
listings, followed by a list, in alphameric sequence, of
will contain one of the following maintenance codes:
all part numbers appearing in the listings. National
s t o c k number and part numbers are cross-
The lowest maintenance level capable of
referenced to each illustration figure and item
complete repair of the support item is the
general support level.
Nonreparable. No repair is authorized.
3. Explanation of Columns
(3) Recoverability code. Recoverability codes are
The following provides an explanation of columns
assigned to support items to indicate the disposition
found in the tabular listings:
action on unserviceable items. The recoverability
a. Illustration. This column is divided as follows:
code is entered in the fifth position of the Uniform
(1) Figure number. Indicates the figure number
SMR Code format as follows:
of the illustration in which the item is shown.
(2) Item number. The number used to identify
Nonreparable item. When unserviceable,
each item called out in the illustration.
condemn and dispose at the level indicated
b. Source, Maintenance, and Recoverability Codes
in position 3.
Reparable item. When uneconomically re-
(1) Source code. Source codes are assigned to
parable, condemn and dispose at the
support items to indicate the manner of acquiring
general support level.
support items for maintenance, repair, or overhaul of
c. National Stock Number. Indicates the National
end items. Source codes are entered in the first and
stock number assigned to the item and will be used
second positions of the Uniform SMR Code format as
for requisitioning purposes.
d. Part Number. Indicates the primary number
used by the manufacturer (individual, company,
PA -- Item procured and stocked for anticipated or
firm, corporation, or Government activity), which
controls the design and characteristics of the item by
XD -- A support item that is not stocked. When
means of its engineering drawings, specifications
required, item will be procured through
standards, and inspection requirements, to identify
normal supply channels.
an item or range of items.
Cannibalization or salvage may be used as
When a stock numbered item is re-
a source of supply for any items source
quisitioned, the repair part received may
coded above except those coded XA, XD,