Section I. INTRODUCTION
Code
Explanation
1. Scope
stocked, but are to be manufactured in
This manual lists repair parts, special tools, and
indicated levels.
equipment required for the performance of direct
A
Assemblies which are not procured or
support, general support, and depot maintenance of the
stocked as such, but are made up of two
Periscope M28, M28C, and M28D.
or more units. Such component units
2. General
carry individual stock numbers and
This Repair Parts and Special Tools List is divided
descriptions are procured and stocked
into the following sections:
separately and can be assembled to form
the required assembly at indicated
the performance of maintenance at the direct support,
maintenance categories.
general support, and depot level in figure and item
X
Parts and assemblies which are not
number sequence.
procured or stocked and the mortality of
b. Special Tools, Test and Support Equipment
which normally is below that of the
applicable end item or component. The
equipment for the performance of maintenance at the
failure of such part or assembly should
direct support, general support, and depot level.
result in retirement of the end item from
c. Federal Stock Number and Reference Number
the supply system.
Index-Section IV. A
list of
Federal Stock Numbers in
X1
Repair parts which are not procured or
ascending numerical sequence followed by a list of
stocked. The requirements for such items
reference numbers in ascending alpha-numeric
will be filled by use of the next higher
sequence, cross-referenced to the illustration figure
assembly or component.
number and item number.
X2
Repair parts which are not stocked. The
3. Explanation of Columns
indicated maintenance category requiring
The following provides an explanation of columns in
such repair parts will attempt to obtain
same through cannibalization.
Where
a. Source Maintenance and Recoverability Codes
such repair parts are not obtainable
(SMR), Column I:
through cannibalization, requirements will
(1) Source code indicates the selection status
be requisitioned with accompanying
and source for the listed item. Source codes are:
Code
Explanation
channels.
P ................Repair parts, special tools, and test
G
Major assemblies that are procured with
equipment which are stocked in or
PEMA funds for initial issue only as
supplied from the GSA/DSA, or army
exchange assemblies at DSU and GSU
supply system and authorized for use at
level.
These assemblies will not be
indicated maintenance categories.
stocked above DS and GS level or
P2 ..............Repair parts, special tools and test
returned to depot supply level.
equipment which are procured and
(2) Maintenance code, indicates the lowest
category of maintenance authorized to install the listed
the combat or military essentiality of the
item. The maintenance level codes are:
end item dictates that a minimum quantity
Code
Explanation
be available in the supply system.
0
Organizational maintenance.
P9 ..............Assigned to items which are NSA design
F
Direct support maintenance.
controlled: unique repair parts special
H
General support maintenance.
tools, test, measure and diagnostic
D
Depot maintenance.
equipment, which are stocked and
(3) Recoverability code, indicates whether
supplied by the Army COMSEC logistic
unserviceable items should be returned for recovery or
system and which are not subject to the
salvage.
Items not coded are expendable.
provisions of AR 380-41.
Recoverability codes are:
P10 ............Assigned to items which are NSA design
Code
Explanation
controlled ;special tools test, measuring
R
Applied to repair parts (assemblies and
and diagnostic equipment for COMSEC
components) which are considered
support, which are accountable under the
economically reparable at direct and
provision of AR 380-41, which are stocked
general support maintenance levels.
and supplied by the Army COSMEC
When the maintenance capability to repair
logistic system.
these items does not exist they are
M
Repair parts which are not procured or
normally disposed of at the GS level.
2