This manual lists spares and repair parts; special tools;
stocked only for subsequent or additional initial
special test, measurement, and diagnostic equipment
issues or outfittings. Not subject to automatic
(TMDE), and other special support equipment required for
performance of organizational maintenance of the
AN/MSC-64(V)1, 2, 3. It authorizes the requisitioning and
PE - Support equipment procured and stocked for initial
issue of spares and repair parts as indicated by the
issue or outfitting to specified maintenance repair
source and maintenance codes.
XB- Item is not procured or stocked. If not available
through salvage, requisition.
This Repair Parts and Special Tools List is divided into the
XD-- A support item that is not stocked. When required,
item will be procured through normal supply
repair parts authorized for use in the performance of
maintenance. The list also includes parts which must be
Cannibalization or salvage may be used
removed for replacement of the authorized parts. Parts
as a source of supply for any items
lists are composed of functional groups in numeric
source coded above except those coded
sequence, with the parts in each group listed in figure and
XA and aircraft support items as
item number sequence.
restricted by AR 750-1.
b. Section III. Special Tbols List. Not applicable.
(2) Maintenance code. Maintenance codes are
Number Index. A list, in National item identification
assigned to indicate the levels of maintenance authorized
number (NIIN) sequence, of all National stock numbers
to USE and REPAIR support items. The maintenance
(NSN) appearing in the listings, followed by a list, in
codes are entered in the third and fourth positions of the
alphameric sequence, of all part numbers appearing in the
Uniform SMR Code format as follows:
listings. National stock numbers and part numbers are
(a) The maintenance code entered in the third
cross-referenced to each illustration figure and item
position will indicate the lowest maintenance level
authorized to remove, replace, and use the support item.
The maintenance code entered in the third position will
3. Explanation of Columns
indicate one of the following levels of maintenance:
a. Illustration. This column is divided as follows:
(1) Figure number. Indicates the figure number
of the illustration on which the item is shown.
O - Support item is removed, replaced, used at the
(2) Item number. The number used to identify
item called out in the illustration.
(b) The maintenance code entered in the fourth
b. Source, Maintenance, and Recoverability (SMR)
positions indicates whether the item is to be repaired and
identifies the lowest maintenance level with the capability
(1) Source code. Source codes indicate the manner
to perform complete repair (i.e., all authorized
of acquiring support items for maintenance, repair, or
maintenance functions). This position will contain one of
overhaul of end items. Source codes are entered in the
the following maintenance codes:
first and second positions of the Uniform SMR Code
format as follows:
O - The lowest maintenance level capable of complete
repair of the support item is the organizational level.
PA - Item procured and stocked for anticipated or known
F - The lowest maintenance level capable of complete
repair of the support item is the direct support level.
PD - Support item, excluding support equipment,