PB Item procured and stocked for insurance purpose
This manual lists spares and repair parts; special tools;
because essentiality dictates that a minimum
special test, measurement, and diagnostic equipment
quantity be available in the supply system.
(TMDE), and other special support equipment required
PD-- Support item, excluding support equipment, pro-
for performance of direct support and general support
cured for initial issue or outfitting and stocked
maintenance of the RT-246/VRC and RT-246A/VRC.
only for subsequent or additional initial issues
It authorizes the requisitioning and issue of spares and
or outfittings. Not subject to automatic re-
repair parts as indicated by the source and mainte-
PF Support equipment which will not be stocked but
which will be centrally procured on demand,
AOItem to be assembled at organizational level.
This Repair Parts and Special Tools List is divided into
AF-Item to be assembled at direct support mainte-
the following sections:
a. Section II and V. Repair Parts List. A list of
AH--Item to be assembled at general support mainte-
spares and repair parts authorized for use in the per-
formance of maintenance. The list also includes parts
AD--Item to be assembled at depot maintenance level.
which must be removed for replacement of the author-
XA--Item is not procured or stocked because the re-
ized parts. Parts lists are composed of functional
quirements for the item will result in the re-
groups in numeric sequence, with the parts in each
placement of the next higher assembly.
group listed in figure and item number sequence.
XBItem is not procured or stocked. If not available
b. Section III and VI. Special Tools List, Not ap-
through salvage, requisition.
XD--A support item that is not stocked. When re-
c. Section IV and VII. National Stock Number and
quired, item will be procured through normal
Part Number Index. A list, in National item identifica-
tion number (NIIN) sequence, of all National stock
numbers (NSN) appearing in the listings, followed by a
Cannibalization or salvage may be used as a
list, in alphameric sequence, of all part numbers ap-
source of supply for any items source coded
pearing in the listings. National stock numbers and
above except those coded XA and aircraft
part numbers are cross-referenced to each illustration
support items as restricted by AR 700-42.
figure and item number appearance.
(2) Maintenance code. Maintenance codes are as-
signed to indicate the levels of maintenance authorized
3. Explanation of Columns
to USE and REPAIR support items. The maintenance
a. IIIustration, This column is divided as follows:
codes are entered in the third and fourth positions of
(1) Figure number, Indicates the figure number of
the Uniform SMR Code format as follows:
the illustration on which the item is shown.
(a) The maintenance code entered in the third
(2) Item number. The number used to identify
position will indicate the lowest maintenance level au-
item called out in the illustration.
thorized to remove, replace, and use the support item.
b. Source, Maintenance, and Recoverability (SMR)
The maintenance code entered in the third position
will indicate one of the following levels of mainte-
(1) Source code. Source codes indicate the manner
of acquiring support items for maintenance, repair, or
overhaul of end items, Source codes are entered in the
0-- Support item is removed, replaced, used at the or-
first and second positions of the Uniform SMR Code
format as follows:
F Support item is removed, replaced, used at the di-
rect support level.
PAItem procured and stocked for anticipated or
HSupport item is removed, replaced, used at the
general support level,