TM 11-6625-1621-20P
SECTION I
INTRODUCTION
PD-Support item, excluding support equipment. procured
1. Scope
for initial issue or outfitting and stocked only fur
This manual lists repair parts and special tools required
subsequent or additional initial issues or
for performance of organizational maintenance of the
Not
subject
to
automatic
AN/PRM-31 AN/PRM-31A, and AN/PRM-31B.
replenishment.
2. General
NOTE
This Repair Parts and Special Tools List is divided into
Cannibalization or salvage may be used as a
the following sections:
source of supply for any items source coded
a. Section II. Repair Parts List. A list of repair parts
above except those coded XA, XD; and aircraft
authorized for use in the performance of maintenance.
support items as restricted by AR 700-42.
The list also includes parts which must be removed for
(2) Maintenance code. Maintenance codes. are
replacement of the authorized parts. Parts lists are
assigned to indicate the levels of maintenance
composed of functional groups in ascending numerical
authorized to USE and REPAIR support items. The
sequence, with the parts in each group listed in figure
maintenance codes are entered in the third and fourth
and item number sequence.
positions of the Uniform SMIR Code format as follows:
b. Section III. Special Tools List. Not applicable.
(a) The maintenance code entered in the
c. Section IV. National. Stock Number and Part
third position will indicate the lowest maintenance level
Number Index. A list, in ascending National item
authorized to remove, replace, and use the support item.
identification number (NIIN, last 9 digits) sequence, of all
The maintenance code entered in the third position will
National stock numbers appearing in the listings,
indicate the following level of maintenance:
followed by a list, in alphameric sequence, of all part
Code
Application/Explanation
numbers appearing in the listings. National stock number
O-Support Item is removed, replaced, used at the
and part numbers are cross-referenced to each
organizational level.
illustration figure and item number appearance.
(b) The maintenance code entered in the
3. Explanation of Columns
fourth position indicates whether the item is to be
The following provides an explanation of columns found
repaired and identifies the. lowest maintenance level with
in the tabular listings:
the capability to perform complete repair (i.e., all
a. Illustration. This column is divided as follows:
authorized maintenance functions). This position will
(1) Figure number. Indicates the figure number
contain one of the following maintenance codes:
of the illustration in which the item is shown.
Code
Application/Explaination
(2) Item number. The number used to identify
H-The lowest maintenance level capable of complete
each item called out in the illustration.
repair of the support item is the general support
b. Source, Maintenance, and Recoverability Codes
level.
(SMR).
Z--Nonreparable. No repair is authorized.
(1) Source code. Source codes are assigned to
(3) Recoverability code. Recoverability codes
support items to indicate the manner of acquiring support
are assigned to support items to indicate the disposition
items for maintenance, repair, or overhaul of end items.
action on unserviceable items. The recoverability code is
Source codes are entered in the first and second
entered in the fifth position of the Uniform SMR Code
positions of the Uniform SMR Code format as follows:
format as follows:
Code
Definition
Recoverability
PA-Item procured and stocked for anticipated or known
Codes
Definition
usage.
Z-Nonreparable item. When unserviceable, condemn
and dispose at the level indicated in position 3.
H-Reparable item. When uneconomically reparable.
condemn and dispose at the general support
level.
A-Item requires special handling or condemnation proce
dures because of specific reasons (i.e., precious
metal content, high dollar value, critical material
or hazardous material). Refer to appropriate
manuals/directives for specific instructions.
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