TM 3-1040-220-12&P
APPENDIX B
BASIC ISSUE ITEMS LIST (BIIL) AND ITEMS TROOP INSTALLED OR
AUTHORIZED LIST (ITIAL) AND ORGANIZATIONAL MAINTENANCE
REPAIR PARTS AND SPECIAL TOOLS LIST
Section I. INTRODUCTION
B-1.
Scope
B-3.
Explanation of Columns
This appendix lists basic issue items; items troop
The following provides an explanation of columns found
installed or authorized; repair parts; and other support
in the tabular listings:
equipment required for operation and performance of
a. Illustration. This column is divided as follows:
organizational maintenance of the M5 helicopter--or
(1) Figure number. Indicates the figure of the
vehicle-mounted riot control agent disperser and
illustrations in which the item is shown.
authorizes the requisition and issue of items as indicated
(2) Item Number. The number used to identify each
by the source and maintenance codes.
item called out in the illustration.
b. Source, Maintenance, and Recoverability Codes
B-2.
General
(SMR).
This Basic Issue Items, Items Troop Installed or
(1) Source Code. Source codes are assigned to
Authorized, Repair Parts and Special Tools List is
support items to indicate the manner of acquiring support
divided into the following sections:
items for maintenance, repair, or overhaul of end items.
a. Section II-Basic Issue Items List. Not applicable.
Source codes are entered in the first and second
b. Section III-Items Troop Installed or Authorized
positions of the Uniform SMR Code format as follows:
List. Not applicable.
Code
Definition
c. Section IV-Repair Parts List. A list of repair parts
PA
Item procured and stocked for an-
authorized for use in the performance of maintenance.
icipated or known usage.
The list also includes parts which must be removed for
PB
Item procured and stocked for
replacement of authorized parts. Parts lists are
insurance purposes because
composed of functional groups in ascending numerical
essentially dictate that a minimum
sequence, with the parts in each group listed in figure
quantity be available in the supply
and item number sequence. Bulk materials are listed in
systems.
FSN sequence.
MO
Item to be manufactured or
d. Section V-Special Tools List. Not applicable.
fabricated at organizational level.
e. Section VI-National Stock Number and Part
AO
Item to be assembled at
Number Index. A list in ascending numerical sequence,
organizational level.
of all National stock numbers appearing in the listings,
XA
Item is not procured or stocked
followed by a list, in alphameric sequence, of all part
because the requirements for the
numbers appearing in the listings. National stock number
item will result in the replacement of
and part numbers are cross-referenced to each
the next higher assembly.
illustration figure and item number appearance. This
XB
Item is not procured or stocked. If
index is followed by a cross-reference list of reference
-not available through salvage,
designations to figure and item numbers when
requisition.
applicable.
(2) Maintenance Code. Maintenance codes are
assigned to indicate the levels of maintenance
authorized to USE and REPAIR support items. The
maintenance codes are entered in the third and
B-1
